chefmaryrusso chefmaryrusso
  • 01-05-2021
  • Mathematics
contestada

A pool can be filled by one pipe in 8 hours and by a second pipe in 2 hours. How long will it take using both pipes to fill the​ pool?

Respuesta :

eliezerkafunya
eliezerkafunya eliezerkafunya
  • 01-05-2021

let the time taken to be filled by both pipes be y

1/2 +1/8=1/y

(4+1)/8=1/y

5/8=y

cross multiplying

5y=8

y=8/5

=1.6hrs

Answer Link

Otras preguntas

Country that controlled Florida at one time
Look Down Below For question:
the plaque of 1348 is most significant because
solving equations. find value of m 2m - 1/2 = m/7 + m/2 here is a picture of the previous question
(True or False) It would be most appropriate to use the noble gas core [He] when writing the shorthand electron configuration for sulfur.
simplify : 70e - 20e=
what happens when a peppermint is put in these three things soda, vinegar, lemon juice, and milk plz help me i need this for my science project due in exactly 2
A 1-kilogram coconut falls out of a tree from a height of 3 meters. Determine the coconut's kinetic energy.
You have trained all year for a marathon. In your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. What wou
How do I solve 3a=57