If x/y=4 and y is not '0' what % of x is 2x-y Choose one
A) 150 %	B) 175 percent	C) 200 %	D) 250 %	E) 350 %

Rationale: let z be the percentt x * z / 100 = 2 x - y zx = 7 y * 100 z = 700 y / 4 y z = 350 / 2 z = 175 % answer : b
Answer: B