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

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

Which act could be considered an acceptance of the social contract? paying the electric bill in exchange for using electricity viewing commercials in exchange

Can someone please tell me how to get the inverse?

how do you figure out the problem

What was the difference between a Puritan and a Separatist?Select one:a. Separatists were Catholic and Puritans were Protestant.b. Puritans wanted to change the

An airplane is pushed 22 degrees eastward off its northward course by a jet stream traveling at a speed of 136.73 km/hr. The new speed is 365 km/hr. Find the pl

Tim had 240 dollars to spend on 6 books. After buying them he had 12 dollars. How much did each book cost?

decimal to percent 1.35 equals

Dr. olson is studying the importance of privacy to people of different ages. in a cross-sectional study, she finds that people in their sixties are more relucta

convert 8.25 percent to a decimal rounding final answer to 4 decimal place

-7x = -3/4x - 5 find the value of X