Question

You have a coupon for 10% off the sale price of a surfboard. Which is the better buy? Explain your reasoning.

● 40% off the regular price
● 30% off the regular price and then 10% off the sale price
40% of $150 = ___, so the sale price is ___
30% of $150 = ___, so the sale price is ___
10% of that sale price is ___,so after using the coupon, the sale price is ___

Answer 1

* 60 -$60 <- answer

* 45- $45 <- answer

94.5- $94.50 <- answer

Explanation:

40%= 0.4 ×150=60

30%=0.3×150=45

60 +45= 105

(105*10)/100= 10.50

105-10.50=$94.50 <- answer