Question

Six pumps working together empty a tank in 28 min. How long will it take to empty the tank if four such pumps are working together

please do it by inverse variation​

Answer 1

Answer:

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Step-by-step explanation:

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${\bf{\red{\fbox{\underline{\color{blue}{time = \: \green{28m}}}}}}} \\ \\ \: {\bf{\orange{\fbox{\underline{\color{red}{pumps = 6 \: and \: 4}}}}}} \\ \\ \green{let \: the \: time\: be \: = \: x} \\ \\ \huge{\bf{\orange{\fbox{\underline{\color{blue}{indirect \: inverse}}}}}} \\ \\ \green{28 \times 6 = x \times 4} \\ \\ \frac{28 \times 6}{4} = x \\ \\ {\bf{\orange{\fbox{\underline{\color{blue}{x = time = 42minutes}}}}}}$

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Answer 2

Step-by-step explanation:

pumps=6and4

letthetimebe=x

indirectinverse

28×6=x×4

4

28×6=x

x=time=42minutes

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