The table above gives the gasoline costs a

问题单项选择题

The table above gives the gasoline costs and consumption rates for a certain car driven at 50 miles per hour, using each of two brands of gasoline. How many miles further can the car be driven at this speed on $12 worth of brand X gasoline than on $12 worth of brand Y gasoline ？（）

A．20

B．24

C．84

D．100

E．104

答案

参考答案：C

解析：

12美元可买X牌汽油15加仑，或买Y牌汽油16加仑，根据题意及表格中的数据可得，X牌汽油比Y牌汽油多开的距离为：

40×15-36×16=24英里