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Two Step Percentage Problems. Word problems with a vengence. Finding the Whole. Increase or decrease. Find the whole given part and % increase or decrease. Used in tax, wholesale/ retail, discounts, sales, commission, …. If an item is 30% off---. What percent do you pay? 100% - 30% = 70%
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Two Step Percentage Problems Word problems with a vengence.
Increase or decrease • Find the whole given part and % increase or decrease. • Used in tax, wholesale/ retail, discounts, sales, commission, …
If an item is 30% off--- • What percent do you pay? • 100% - 30% = 70% • Whole minus part is what is left
If an item is 30% off--- • Jack bought a jacket for $45. This was 30% off the original price. What was the original price? • Answer 70% of what is 45?
Increase or Decrease • The furniture store marked the table up 75%. It sells for $450. What was the wholesale price? • 100% + 75% = 175% • Answer 450 is 175 % of what?
Thing to think about • Is the original asked for? • Is the new more or less than the original? • Should the % be more or less than 100?
Increase or Decrease • Janet will will pay a 15% shipping fee on a $45 item. How much will she pay altogether? • Two ways. • Find 15% and add • Find 115%
Increase or Decrease • Tony gets a 15% discount on a $45 item. How much will she pay altogether? • Two ways. • Find 15% and subtract • Find 100%-15%=85%
Increase or Decrease • Raulph marked an item up for sale from $135 retail to $236.25. What was the percent markup? • Two ways. • Find what percent of 135 is 236.25. The find the change from 100%. • Subtract 236.25-135=101.25 Find what percent of 135 is 101.25.
Increase or Decrease • Raulph bought a $135 item for $95. What was the percent savings? • Two ways. • Find what percent of 135 is 95. The find the change for 100%. • Subtract 135-95=40 Find what percent of 135 is 40.
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