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% and $ word problems using ratios and math % sentences notes Absent Thur/Fri 5/2,3.

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Presentation on theme: "% and $ word problems using ratios and math % sentences notes Absent Thur/Fri 5/2,3."— Presentation transcript:

1 % and $ word problems using ratios and math % sentences notes Absent Thur/Fri 5/2,3

2 Shopping vocabulary and setting up ratios Vocabulary 1. Wholesale price, regular price, original price: this means this is the original price that an item sells for. 2. Retail price: the new price that an item sells for or it is the original price before a sale price is given. 3. Sale: this is a discount that comes off the original price. It is either given in % or in a $ amount. Finding a markup price or mark down price set up new price - original price Ratio set up with word problems finding % Change between the original price and new price original price % sentences with word problems What is _____ % of _____ unknown = change to decimal Multiply original price

3 Price Mark Up Example Sun Diego is selling board shorts. The wholesale price that they got them for was $ The retail price that they sold them for was $ What was the price markup? $28.75 new price - $15.50 original price $13.25 markup Solution What is the new price of the board shorts? The retail price is the new price. $ What is the original price of the board shorts? The wholesale price is the original price. $ What do we do with the 2 different amounts? We subtract them and find the markup. $13.25 markup

4 Ratio % Example South Coast surf shop buys van shoes at a wholesale price of $25. South Coast sells the shoes for a retail price of $41. What is the % markup for the shoes? $16 change $25 original Solution What is the new price of the vans? The retail price is the new price. $41. What is the original price of the vans? The wholesale is the original price. $25. What is the change between the 2 prices? The change is $16. How do we set up a ratio using these two prices so we can find the % markup? Change in price original price 64% markup

5 Ratio % Example Bennett bought a stroller on sale for $25. The strollers retail price is $75. What is the % discount of the stroller? $50 change $75 original Repeating decimal round to 67% Solution What is the new price of the stroller? The new price is the sale price. $25. What is the original price of the stroller? The original price is the retail price. $ What is the change between the 2 prices? The change is $50. How do we set up a ratio using these two prices so we can find the % markup? Change in price original price 67% discount

6 Ratio % Example Find the % increase. 8 is increased to change 8 original Solution What is the original #? The original # is 8. What is the new #? The new # is 14. What is the change between the 2 #s? The change is 6. How do we set up the ratio to find the % increase? Change in # original # 75% increase

7 % sentences Example A soccer ball originally cost $25. Chris bought the ball on sale for 30% off the original price. How much $ was deducted off the ball? x = 30% x 25 what is % multiply price x =.30(25) x = 7.5 or $7.50 Solution What is the unknown in this problem? The unknown is how much money was taken off the soccer ball. What is the % discount? 30% What is the original price of the soccer ball? $25 What does the word IS mean? IS means =. What does the word OF mean? OF means multiply. $7.50 was deducted


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