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Kenny had 230 marbles and Ditor had 65 marbles. When each one gave away the same number of stickers, Kenny then had 4 times as many stickers as Ditor. How many marbles did each give away?

 Jun 7, 2021
 #1
avatar+121054 
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230  -  x               4

_______    =     ___               cross-multiply

65   -  x               1

 

 

230  -  x  =  4 (65 - x)

 

 

230  -  x   =   260  -  4x

 

4x - x   =  260  -  230

 

3x   =      30

 

x =   30  /3    =   10  =  number each gave away

 

cool cool cool

 Jun 7, 2021

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