GRE数学(Barron模考)每日一题 第19期
日期:2014-10-07 15:07
(单词翻译:单击)
GRE数学试题
A distillate 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 hour, how many gallons per hour must flow out at spout B so that the drum is full in exactly 96 hours?
参考答案
正确的答案:D
重点单词