If 50% of (x-y)30% of (x + y), what percent of x is y ? – InterviewSolution

1.

If 50% of (x-y)30% of (x + y), what percent of x is y ?

Answer»

(50/100)*(x-y) =(30/100)*(x+y)

=>5x-5y=3x+3y

=>2x=8y

=>y=x/4

=>y=(25/100)x

Therefore y is 25% of x.

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