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  • 24-07-2020
  • Mathematics
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Please I need your help, if i get wrong will get f in class, just one question

Please I need your help if i get wrong will get f in class just one question class=

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MathPhys
MathPhys MathPhys
  • 24-07-2020

Answer:

(D) 56

Step-by-step explanation:

x/y = 2/7

x = 2/7 y

S = x + y

S = 2/7 y + y

S = 9/7 y

y is a multiple of 7, so S is a multiple of 9.

So S cannot be 56.

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