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?
81.1k views
5 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 Akaliza
by
8.0k points

1 Answer

3 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 Rescobar
by
8.3k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!