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Joan's washing machine tub is a cylinder with a height of 17 in. and a diameter of 22 in. Her washer was half full of water when it stopped working. The repair person's pump removed 46.2 in^3 of water every second.

How many seconds did it take to empty the washer? Use 3.14 to approximate pi, and round your answer to the nearest whole number.

A.
70 s

B.
140 s

C.
280 s

D.
559 s

Question

FAN AND MEDAL FOR BEST ANSWER!
Joan's washing machine tub is a cylinder with a height of 17 in. and a diameter of 22 in. Her washer was half full of water when it stopped working. The repair person's pump removed 46.2 in^3 of water every second.
 
How many seconds did it take to empty the washer? Use 3.14 to approximate pi, and round your answer to the nearest whole number.
 
 A.
70 s
 
 B.
140 s
 
 C.
280 s
 
 D.
559 s

anonymous · Answer

Help badly needed. At least how to do the problem.

anonymous · Answer

Can you find the volume of the cylinder?

anonymous · Answer

Oh wait I just realized how to do it. First find the volume of the cylinder. Then divide by two. Then divide 46.2^3 by the halved volume.

anonymous · Answer

Would that be right? @swagmaster47