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 May 2, 2020
 #1
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x / y  = 5/3

This mplies that

x = (5/3)y

 

And we know that  x + y  =  56

So

 

(5/3)y + y  = 56

 

(5/3)y  + (3/3) y  = 56

 

(8/3)y = 56         mutiply both sides by  3/8

 

y = 56 (3/8)  =  21

 

And x = (5/3)y  =  (5/3)(21)  =  35

 

So

 

x - y  =  35  - 21   =   14

 

cool cool cool

 May 2, 2020

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