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a+a+a=30 b+b+b=15 c+c+c=24 c+b×a= ?

 Nov 18, 2018
 #1
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3a  = 30  ⇒  a  = 10

3b = 15 ⇒ b = 5

3c = 24 ⇒  c = 8

 

So

 

c + b x a   =   8 + ( 5 x 10)  = 8 + 50   =  58

 

 

cool cool cool

 Nov 18, 2018
edited by CPhill  Nov 18, 2018

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