Question 1197900
Working together, two pumps can drain a certain pool in 3  hours. If it takes the older pump  13 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?
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{{{1/p1 + 1/p2 = 1/3}}}
{{{1/13 + 1/p2 = 1/3}}}
Solve for p2