AMC12 2007 A

AMC12 2007 A · Q1

AMC12 2007 A · Q1. It mainly tests Percent, Arithmetic misc.

One ticket to a show costs $\$20$ at full price. Susan buys 4 tickets using a coupon that gives her a 25% discount. Pam buys 5 tickets using a coupon that gives her a 30% discount. How many more dollars does Pam pay than Susan?

一场演出的全价门票价格为$\$20$。Susan使用一张可享受25%折扣的优惠券购买了4张票。Pam使用一张可享受30%折扣的优惠券购买了5张票。Pam比Susan多付了多少美元？

(A) 2 2

(B) 5 5

(D) 15 15

(E) 20 20

Answer

Correct choice: (C)

正确答案：（C）

Solution

Susan支付$(4)(0.75)(20)=60$美元。Pam支付$(5)(0.70)(20)=70$美元，因此Pam比Susan多付$70-60=10$美元。

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