SOLUTION: One pipe can fill a tank in 10 hours, and the second pipe takes 6 hours, how long will it take to fill the tank if both pipes are open?

Question 993126: One pipe can fill a tank in 10 hours, and the second pipe takes 6 hours, how long will it take to fill the tank if both pipes are open?
Answer by ikleyn(52890) (Show Source): You can put this solution on YOUR website!
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One pipe fills of the reservoir volume in 1 hour.

The second pipe fills of the reservoir volume in 1 hour.

Working together, two pipes fill + = + = = of the reservoir volume in 1 hour.

So, it will take = hours for two pipes to fill the reservoir.

It is a joint work problem.

For more solved problems of this type see the lesson Using fractions to solve word problems on joint work in this site.

It is free of charge and without registration.

Good luck!

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