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The number of girls at middle school Cyber summer camp was six more than twice the number of boys. The total of 156 middle school at the camp. How to use the 5-d process? To find the number of boys and girls at the camp. 

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Daniela88id
g = number of girls;
b= number of boys
we know that: g= 6+2b
      and that: g+b= 156 kids in total 
so we may write  g+b=(6+2b)+b=6+3b
                  but g+b= 156 
so 6+3b = 156 => 3b= 156-6=150 =>   b=150/3=50 => b = 50 (number of boys)
g= 6+2b= 6+2 x 50= 106 => g =106 (number of girls)       

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