作者nwair (請叫我~~"海陸寶寶"杯)
看板GMAT
標題[計量] 請教一個題目~~
時間Wed Feb 11 00:36:22 2009
Q~ A distllate flows into an empty 64-gallon drum at
spout A and out of the drum at spout B. If the
rate of flow through A is 2 gallons per hours, how
many gallons per hour must flow out at spout B so that
the drum is full in exactly 96 hours?
A)3/8
B)1/2
C)2/3
D)4/3
E)8/3
這一題我怎麼算~都算不出來.....
不知道是不是我把題目翻譯錯了說~~
所以請教各位.... 謝謝!!
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