Two pumps

The first pump fills the tank in 24 hours second pump in another 40 hours. For how long will it take to fill the tank if it operates both pumps at the same time?

Correct answer:

x =  0 h

Step-by-step explanation:


Equation is non-linear.

Calculation:

Equation is linear and have one solution:

8x-120=0

x=15

Our simple equation calculator calculates it.



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