Two water pumps are used to drain a swimming pool

Asked by maham237 @ 09/06/2021 in Mathematics viewed by 315 People

pump a can drain the pool in 45 minutes in pump be Can Dream the same pool in 35 minutes how many minutes will it take to drain the pool using both pumps at the same time

Answered by maham237 @ 09/06/2021

Pump A = 45 mins

Pump B = 35 mins

Pump A and B = (45 x 35) / ( 45 + 35) = 19.69 mins (nearest hundredth)

Answer: 19.69 mins

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Asked by maham237 @ 28/05/2021 in Physics viewed by 281 persons

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Asked by admin @ 22/11/2021 in Mathematics viewed by 265 persons

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Asked by admin @ 22/11/2021 in Chemistry viewed by 319 persons

A fog over a lake. what two changes of state must occur to produce the fog? do the water molecules absorb or release energy during these changes of state? what …