document.write( "Question 1116569: Pump A and pump B each can empty a tank in 2 hours. Another pump, C, can empty the tank using double the time of pump A. If all three pumps are working together at the same time, how long will it take to empty the tank? \n" ); document.write( "
Algebra.Com's Answer #731448 by josgarithmetic(39616)\"\" \"About 
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