每个单词都认识,但是读不明白题目,着急啊
howmanyminuteswillittaketocompletelyfillawatertankwithacapacityof3.750cubicfeetifthew...
how many minutes willit take to completely fill a water tank with a capacity of 3.750cubic feet if the water is being pumped into the tank at the rate of 800 cubic feet per minute and is being drained out of the tank at the rate of 300cubic feet per minute
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