If 50% of (x-y) = 30% of (x+y), what percent of x is y? – Arithmetic | CTEVT Prep

Arithmetichard · Past Paper

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

A20%

B25%

C30%

D40%

✓ Correct Answer: B — 25%

0.5x - 0.5y = 0.3x + 0.3y => 0.2x = 0.8y => y = 0.25x (25%).

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