PS 131

foreversun99 · 发表于 2010-8-30 22:59:30

131. 13459-!-item-!-187;#058&009437
If the speed of x meters per second is equivalent to the speed of y kilometers per hour, what is y in terms of x ?

(1 kilometer = 1,000 meters)

(A) 5x/18
(B) 6x/5
(C) 18x/5
(D) 60x
(E) 3,600,000x

不知是哪裡出錯，自己一直算成(A) 有誰能提供這題的算式? 感激

Leliolevine · 发表于 2010-8-30 23:05:58

y kiliometers=1000y meters 1hour=3600seconds 1000y/3600=x x=18x/5

PS 131

所属分类: GMAT考试

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