if 20 % of ( x - y ) = 14 % of ( x + y ) , then what percent of x is y ?
"20 % of ( x - y ) = 14 % of ( x + y ) 20 / 100 ( x - y ) = 14 / 100 ( x + y ) 6 x = 34 y required percentage = y / x * 100 = 6 y / 34 y * 100 = 17.64 % answer is d"
multiply(divide(subtract(20, 14), add(20, 14)), const_100)