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Jeopardy Ratios/Rates and Using Proportions Scale & Interest Percent Proportions & Equations Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy Percent of Change & Probability Fractions Decimals Percents

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$100 Question from H1 8 students out of 25 students as a ratio 8 students= 8 25 students 25

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$100 Answer from H1 8 students out of 25 students as a ratio 8 students= 8 25 students25

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$200 Question from H1 10 inches to 4 feet –as a ratio simplified

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$200 Answer from H1 10 inches to 4 feet –as a ratio simplified 10 inches = 10 inches = 10 = 5 4 feet 48 inches 48 24

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$300 Question from H1 Solve the proportion: n = 4 12 3

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$300 Answer from H1 Solve the proportion: n = 4 3n = 4(12) n = 48 n = 16 12 3 3 3 3

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$400 Question from H1 Solve the proportion: 5 = 0.3 7.5 m

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$400 Answer from H1 Solve the proportion: 5 = 0.3 5m = 7.5(0.3) m = 2.25 m =.45 7.5 m 5 5 5

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$500 Question from H1 What is the best buy? 8 pencils for $1.19 = 12 pencils for $1.79 = 20 pencils for $2.79 = 24 pencils for $3.59 =

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$500 Answer from H1 What is the best buy? 8 pencils for $1.19 =.14875~ $0.15 12 pencils for $1.79 =.1491666~ $0.15 20 pencils for $2.79 =.1395~ $0.14 24 pencils for $3.59 =.1495833~ $0.15

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$100 Question from H2 A _____ gives the relationship between the measurements on the drawing or model and the measurements of the real object.

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$100 Answer from H2 A scale gives the relationship between the measurements on the drawing or model and the measurements of the real object.

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$200 Question from H2 What is the scale factor if the scale is 15 inches = 1yard?

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$200 Answer from H2 What is the scale factor if the scale is 15 inches = 1yard? 1 yard = 36 inches 15 = 5 36 12

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$300 Question from H2 Given a scale of 0.25 inch = 5 feet. Find the actual length of a room if its drawing is 1.6 inches. Hint: Map.25 in = 1.6 in Actual 5 ft. = x ft

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$300 Answer from H2 Given a scale of 0.25 inch = 5 feet. Find the actual length of a room if its drawing is 1.6 inches. Map.25 in = 1.6 in.25x = 5(1.6) Actual 5 ft. = x ft x = 8/.25 x = 32 ft

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$400 Question from H2 What is the interest earned on $4,260 if it is invested at 5.5% for 5 ½ years.

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$400 Answer from H2 What is the interest earned on $4,260 if it is invested at 5.5% for 5 ½ years. $4,260 x.055 x 5.5 = $1,288.65

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$500 Question from H2 What is the interest earned on $1,580 if it is invested at 4.5% per year for 6 months.

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$500 Answer from H2 What is the interest earned on $1,580 if it is invested at 4.5% per year for 6 months. 6 months is.5 of a year so: $1,580 x.045 x.5 = $35.55

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$100 Question from H3 Express 9 as a decimal. 40

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$100 Answer from H3 Express 9 as a decimal. 40 9 =.225 40

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$200 Question from H3 FractionDecimalPercent.17

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$200 Answer from H3 FractionDecimalPercent 17 100.1717%

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$300 Question from H3 FractionDecimalPercent 316%

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$300 Answer from H3 FractionDecimalPercent 3 16 = 3 4 100 25 3.16316%

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$400 Question from H3 FractionDecimalPercent 3838 3.282

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$400 Answer from H3 FractionDecimalPercent 3 8.37537.5% 3 282 = 3 141 1000 1000 3.282 328.2%

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$500 Question from H3 What is the largest and smallest of this set: { 3/5, 0.62, 61.5%, 5 out of 9}

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$500 Answer from H3 What is the largest and smallest of this set: { 3/5, 0.62, 61.5%, 5 out of 9} 3/5 =.60.62 =.62 Largest 61.5 =.615 5 out of 9 =.555555… Smallest

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$100 Question from H4 What is 20% of 50? Hint use formula: is = % of 100

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$100 Answer from H4 What is 20% of 50? Hint use formula: is = % x = 20 100x =50(20) of 100 50 100 x = 1000/100 x = 10

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$200 Question from H4 18 is what percent of 125? 18 = x 125 100

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$200 Answer from H4 18 is what percent of 125? 18 = x 125x = 18(100) x = 1800 125 100 125 x = 14.4%

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$300 Question from H4 20.25 is 112.5% of what number?

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$300 Answer from H4 20.25 is 112.5% of what number? 20.25 = 112.5 112.5x = 20.25(100) x 100 x = 2025/112.5 x = 18

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$400 Question from H4 A Laptop is on sale at a 30% discount. If it normally sells for $800 what is the sale price?

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$400 Answer from H4 A Laptop is on sale at a 30% discount. If it normally sells for $800 what is the sale price? 100%-30% = 70% $800 x.70=$560

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$500 Question from H4 A camera is on sale at a 25% discount. If it normally sells for $179.99, what is the sale price?

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$500 Answer from H4 A camera is on sale at a 25% discount. If it normally sells for $179.99, what is the sale price? 100%-25% =75% $179.99 x.75 = $134.9925 ~ $134.99

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$100 Question from H5 Start withEnd with% of Change 25110 Hint: End-Start = Change = % of Chang Start Start

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$100 Answer from H5 Start withEnd with% of Change 25110340% Hint: End-Start = Change = % of Chang Start Start 110-25 = 85 = 3.4 = 340% 25 25

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$200 Question from H5 What is the % of change? From 32 cm to 59 cm (Round to nearest tenth)

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$200 Answer from H5 What is the % of change? From 32 cm to 59 cm (Round to nearest tenth) 59-32 = 27 =.84375 ~ 84.4% 32 32

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$300 Question from H5 What is the % of change? From $88 to $124 (Round to nearest tenth)

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$300 Answer from H5 What is the % of change? From $88 to $124 (Round to nearest tenth) 124-88 = 36 =.40909… ~ 40.9% 88 88

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$400 Question from H5 A bag contains 6 blue marbles 8 red marbles 4 green marbles 1 white marble. One is selected at random. Find the probability of picking a red or white marble. (Round fraction to nearest tenth)

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$400 Answer from H5 A bag contains 6 blue marbles 8 red marbles 4 green marbles 1 white marble. One is selected at random. Find the probability of picking a red or white marble. (Round fraction to nearest tenth) 8+1 =9 9/19 ~.47.4%

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$500 Question from H5 A bag contains 7 orange marbles, 10 purple marbles, 4 green marbles, 1 white marble. One is selected at random. Find the probability of picking an orange, green or white marble. (Round fraction to nearest tenth)

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$500 Answer from H5 A bag contains 7 orange marbles, 10 purple marbles, 4 green marbles, 1 white marble. One is selected at random. Find the probability of picking an orange, green or white marble. (Round fraction to nearest tenth) __ 7 + 4 + 1 = 12 = 6 =.54 = 54.5% 22 11

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Final Jeopardy On 21 cards you have spelled out: Only Seventeen Weeks Left, with one letter on each card. If one card is chosen at random, determine the probability of each outcome. Write as a fraction and as a percent the probability of picking a t. (Round to the nearest tenth if necessary.)

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Final Jeopardy Answer On 22 cards you have spelled out: Only Seventeen Weeks Left, with one letter on each card. If one card is chosen at random, determine the probability of each outcome. Write as a fraction and as a percent the probability of picking a t. (Round to the nearest tenth if necessary.) __ There are two t = 2/22 = 1/11 =.09 = 9.1%

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Fractions Simplify: 36/48 = 36/48 = ¾ 125/225 = 125/225 = 25/45 = 5/9

Fractions Simplify: 36/48 = 36/48 = ¾ 125/225 = 125/225 = 25/45 = 5/9

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