SOLUTION: This weekend I will invite three friends over to help me hang 12 pictures. Together it will take us 6 hours to hang them all. We will start at 9 a.m. I am done 2 hours before Lisa

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Question 366420: This weekend I will invite three friends over to help me hang 12 pictures. Together it will take us 6 hours to hang them all. We will start at 9 a.m. I am done 2 hours before Lisa and Michele is finished 2 hours later than Lisa. How long does it take Lisa to hang her pictures? How long would it have taken if I hung them by myself?
How would I write this in a rational expression

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
This weekend I will invite three friends over to help me hang 12 pictures.
Together it will take us 6 hours to hang them all.
We will start at 9 a.m.
I am done 2 hours before Lisa and Michele is finished 2 hours later than Lisa.
How long does it take Lisa to hang her pictures? How long would it have taken
if I hung them by myself?
:
I understand that each of them will hang 4 pictures
:
From the given information
It took Michele 6 hrs to hang her 4 pictures (2 hrs after Lisa)
It took Lisa 4 hrs (2 hrs after you)
It took you 2 hrs
:
How long would it have taken if I hung them by myself?
It took you 2 hrs to hang 4, it will take you 3(2)= 6 hrs to hang 12

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