Mathematics, 10.02.2020 11:03, tatibean26
It takes an older pump 3 times as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps 9 hours to drain the pool. How long will it take the older pump to drain the pool working alone?
Answers: 1
Mathematics, 21.06.2019 17:30, kruzyoungblood8
When a rectangle is dilated, how do the perimeter and area of the rectangle change?
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Mathematics, 21.06.2019 18:00, heids17043
Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?
Answers: 1
It takes an older pump 3 times as long to drain a certain pool as it does a newer pump. Working toge...
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