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[highshill]

A pump removes one-half of the water remaining in a tank in 10 minutes. What fraction of the original amount of water will be left in the tank after one hour
-How do i solve this

Thanks

 

[seanieg89]

A pump removes one-half of the water remaining in a tank in 10 minutes. What fraction of the original amount of water will be left in the tank after one hour
-How do i solve this

Thanks

Every 10 minutes, the water volume is halved. After one hour (=60mins), you have halved the volume 6 times.

So the answer is (1/2)^6=1/64.