SOLUTION: Sally can paint a room in 4 hours while it takes Steve 6 hours to paint the same room. How long would it take them to paint the room if they worked together?
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: Sally can paint a room in 4 hours while it takes Steve 6 hours to paint the same room. How long would it take them to paint the room if they worked together?
Log On
Question 263123: Sally can paint a room in 4 hours while it takes Steve 6 hours to paint the same room. How long would it take them to paint the room if they worked together? Answer by drk(1908) (Show Source):
You can put this solution on YOUR website! This is a working together or job / time problem.
We are given
Sally's rate = 1/4
Steve's rate = 1/6
together time = x total jobs = 1
---
we use the following equation:
---
from above we get
multiply by 12 to get
solve for x as
and then
or 2.4 hours.