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Percent of Decrease Problem

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avatar+166 

Our bill at the Macaroni Grill was $138. This included a 15% tip. How much was the check?

Please show how to do with proportions and a percent equation.

 

The answer is $117.30, just want to know what particular proportions and equation you may have used.

 

Thanks,

Indian Tech Support

 Jan 31, 2017

2+0 Answers

 #1
avatar+817 
+5

It would appear that their is an error in the problem, unless it is missing tax or whatnot.

 Jan 31, 2017
 #2
avatar+129850 
0

138 / 1.15  = $120

 

Proof

 

120 + .15* 120  = $138

 

 

 

cool cool cool

 Feb 1, 2017

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