The rates at an Internet bar are as follows: First 30 minutes $3.00 Every additional 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 【查看更多】
题目列表(包括答案和解析)
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?
