请教一道数学题~

fifiwong · 发表于 2013-2-4 14:37:36

a certain car can currently travel 17 miles per gallon of gasoline. after a tune-up, the car will use 80% as much gasoline as it does now. how many miles will the car be able to travel per gallon of gasoline after the tune-up?

A. 13.6
B. 15
C. 20.4
D. 21.25
E. 23.5

有点弄不清楚题目意思...求教大家，感激不尽~

koei2009 · 发表于 2013-2-4 14:49:32

选d呀。
耗油量变成原来的80%，距离么就是原来的1.25倍。

fifiwong · 发表于 2013-2-4 16:39:10

明白了~题目理解错误了....那个per gallon of gasoline......

请教一道数学题~

所属分类: GMAT考试

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