返回列表 发帖

OG11第6题求助

A rainstorm increased the amount of water stored in State J reservoirs from 124 billion gallons to 138 billion gallons. If the storm increased the amount of water in the reservoirs to 82 percent if total capacity, approximately how many billion gallons of water were the reservoirs short of total capacity prior tu the storm?

A 9

B 14

C 25

D 30

E 44

我认为是138*0.18=25,但答案是44。

求助各位!!!谢谢!!!

收藏 分享

假设 total capacity=X, 则 138=82% X, X=168

168-124=44

看清楚题意应该就不难 

TOP

返回列表

站长推荐 关闭


美国top10 MBA VIP申请服务

自2003年开始提供 MBA 申请服务以来,保持着90% 以上的成功率,其中Top10 MBA服务成功率更是高达95%


查看