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Two brothers are saving money to buy tickets to a concert. Their combined savings is $55. One brother has $15 more than the other. How much has each saved? Write out how you solved this problem, along with the answer. 

 Sep 10, 2019
 #1
avatar+103061 
+4

Let A  be tthe amount that one brother has

 

Let  A + 15  be the amount the other brother has

 

And the combined amount  =   55    .....so.....

 

A  + ( A + 15)   =   55         simplify

 

2A  +  15   =    55       subtract 15 from both sides

 

2A  =  40       divide both sides by 2

 

A  = 20  

 

And  A + 15  =  20 +  15  =  35

 

So...one has saved $20  and the other has saved $35

 

cool cool cool

 
 Sep 10, 2019

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