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Ch 3-10 Percents pgs 152-157 Convert a % to decimal Move 2 places to the left. Ex 1: 34% = 0.34 2: 6% = 0.06.

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Presentation on theme: "Ch 3-10 Percents pgs 152-157 Convert a % to decimal Move 2 places to the left. Ex 1: 34% = 0.34 2: 6% = 0.06."— Presentation transcript:

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2 Ch 3-10 Percents pgs 152-157

3 Convert a % to decimal Move 2 places to the left. Ex 1: 34% = 0.34 2: 6% = 0.06

4 Convert decimal to % Move 2 places to the right. Ex 3: 0.07 = 7% Ex 4: 1.3 = 130%

5 Change Fraction to % Divide bottom into top. Move 2 places to the right. Ex 5: 3/8 =.375 = 37.5%

6 Translating % Problems % * Base = Part (of) (is) Ex 6:What number is 12.5% of 40? x = (.125) 40 x = 5

7 Ex 7: A family spent $208 one month for food. This was 26% of its income. What was its monthly income?

8 Ex 8: Tax in Muskingum Co is 6.5%. If you buy a car for $18000, how much is tax? What is the total purchase price?

9 Ex 9: 5 is what percent of 200

10 Percent of Increase or Decrease Jim made $6 and hour at his job when he started. He now makes $7.20. By what percent did his salary increase?

11 Assignment 310/156-157/2-44e,43,45-47,60


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