Mathematics, 14.12.2020 21:30 coastieltp58aeg
A cistern can be completely drained by a pipe in 6 hours. It can be filled by two pipes in 4 hours and 5 hours, respectively. How many hours will the empty cistern take to fill if all the pipes are running?
If x is the time to fill it, which of the following equations could be used to solve for t?
4x + 5x - 6x = 1
4x + 5x = 20
15x + 12x - 10x = 60
Answers: 3
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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?
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Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?
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A cistern can be completely drained by a pipe in 6 hours. It can be filled by two pipes in 4 hours a...
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