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On Saturday, you spend $33, give $15 to a friend, and receive $20 for mowing your neighbor’s lawn. You have $21 left. Use two methods to find how much money you started with that day.

Guest Feb 23, 2017
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I don't have two methods....but.....here's one.......call M  the original money that you started with....so we have.....

 

M - 33 - 15 - 20 =  21   simplify

 

M - 68    = 21      add 21 to both sides

 

M =  $89

 

 

cool cool cool

CPhill  Feb 23, 2017

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