SOLUTION: If Sally can paint a fence by herself in 6 hours and Sally and Linus together can paint the same fence in 4 hours, how long would it take Linus to paint the fence by himself?
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Question 882849: If Sally can paint a fence by herself in 6 hours and Sally and Linus together can paint the same fence in 4 hours, how long would it take Linus to paint the fence by himself?
I have the set up of 1/x+1/6=1/4
I'm not sure what to do from here. If you could explain and write out the steps it would be appreciated! Answer by josgarithmetic(39630) (Show Source):
You can put this solution on YOUR website! That is the correct equation to begin the solution. You know how to add and subtract fractions; so you just do what you learned. The methods are not different here.
What is the simplest common denominator?
Denominator_________Factorization
x____________________x
6____________________2*3
4____________________2*2
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Simplest denominator for all rational terms must be .
Multiply the left and right members by , simplify and continue from there.