Register
It takes 20 minutes to fill a wading pool. The pool has developed a leak through which it will empty in 30 minutes. If the hole is not fixed, how long will it take to fill the wading pool?
114,501 views
23 votes
23 votes
It takes 20 minutes to fill a wading pool. The pool has developed a leak through which it will empty in 30 minutes.

If the hole is not fixed, how long will it take to fill the wading pool?

User Beloblotskiy
by
2.7k points

1 Answer

9 votes
9 votes
In t minutes, t/20 of the pool is filled and t/30 of it is emptied.

t/20 - t/30 = 1
multiply both sides by LCM 60.

3t - 2t = 60
t = 60

The pool is filled in 60 minutes.
User Primfaktor
by
3.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Can anybody tell me what’s going on here?
Granola costs $1.76 per pound. Write and solve an equation to determine the number of pounds p of granola that can be purchased with $7.04. The equation is: The value of x is
Evalute 8a -1+0.5b when a =1/4 and b= 10 how dose this work i need help..
PLZ needed now plz URGENT!
HELP PLEASE, I NEED THE ANSWER QUICKLY
Link Copied!