A-A+
On a trip Marie drove 200 miles in 5 hours us
问题详情
On a trip, Marie drove 200 miles in 5 hours using gasoline that cost her $1.49 per gallon.
Column A Column B
Marie"s average speed for the trip in miles per hour Marie"s gas mileage for the trip in miles per gallon
A.if the quantity in Column A is greater
B.if the quantity in Column B is greater
C.if the two quantity are equal
D.if the relationship cannot be determined from the information given请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:D
解析:某旅程中,Marie5小时开出了200英里,汽车使用的汽油价格是每加仑1.49美元。解:本题的正确答案为(D)。比较的左项为以英里每小时为单位,Marie旅程的平均速度;比较的右项为以英里每加仑为单位,Marie旅程的汽车里程。根据题目中所提供的信息可以求出Marie旅程的平均速度=200/5=40mile/h;但是题目中未给出汽车所消耗的汽油数,因此无法计算每加仑汽油能行驶的英里数,从而也就无法判断两数的大小。