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Target Test Prep · GMAT

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Chris Peckover
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Oct 13 to Jan 7, 2027

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Logan Thompson
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Sep 6 to Dec 6, 2026

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Target Test Prep GMAT OnDemand

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Tank PS

Expert replies
by aj5105 » Sun Jan 18, 2009 9:09 am
A fills the tank 3 hours. B fills the tank 1.5 hours. C empties the tank 4 hours. If the tank is 3/4th filled, how long will it take A & B to fill when C is minusing?


To solve,I framed this equation:
t/3 + t/1.5 = 1/4 + t/4

Comments?
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Source: — Problem Solving |

by arzanr » Sun Jan 18, 2009 9:13 am
I get 20 minutess. Is that correct?
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by aj5105 » Sun Jan 18, 2009 9:24 am
yup, solving the above equation, we get 20 minutes.
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