Subtract 7x2+4x-9 from 5x2+10-5
2 answers:
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The first pipe pumps out
while the second pipe pumps out
So together, both pipes pump out
That is, with both pipes filling the tank, it should take 32 minutes total.
The first pipe pumps out
while the second pipe pumps out
So together, both pipes pump out
That is, with both pipes filling the tank, it should take 32 minutes total.