Taking the information given and letting P_{n} = pumping rate of the new pump and

P_{o} = pumping rate of the old pump (both in gallons/hour)

Now, let's assume that the pool has 3000 gallons (This is arbitrary... could be any reasonable number)

Then 6P_{n }+ 6P_{o} = 3000

and 15P_{o} = 3000

So,

P_{o} = 200 gpm

Substiting back in the other equation, we find that

P_{n }= 300 gpm

Mark J.

12/03/19

Desiray J.

So how many hours would it take?12/03/19