题目内容

The rates (费用) at an Internet bar are as follows:
First 30 minutes$3.00       
Every additional (增加的) 15 minutes $2.00
How much does Ginny have to pay if she was on-line for 50 minutes?

A. $5
B. $7
C. $9

试题答案

B
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网