3) An old pump can fill a swimming pool in 9
hours. If a new pump was being used with the old
...
Mathematics, 08.10.2020 06:01 owenr4758
3) An old pump can fill a swimming pool in 9
hours. If a new pump was being used with the old
pump they could fill the pool in 3 hours. How
long would it take to fill the pool with just the new
pump?
clear
worl
long
5.
r
Answers: 1
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