E.2
원래 가격·양 구하기
1분기 (9~11월)할인·세금 전의 가격, 백분율 변화 전의 양을 거꾸로 구하기
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문제 수
Find the Original Amount
Skill E.2 · Percents & consumer math · ★★☆ Medium · Quarter 1
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Answer each question.
Example
, so
Think: After a discount you pay of the original price, so divide the sale price by 0.75.
- 1With sales tax, a pair of shoes costs in all. What was the price before tax?
- 2With sales tax, a backpack costs in all. What was the price before tax?
- 3After a discount, a guitar costs . What was the original price?
- 4After a discount, a tent costs . What was the original price?
Answer Key
E.2 Find the Original Amount · ★★☆ Medium
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