if 50 % of 100 is greater than 20 % of a number by 47 , what is the number ?
"explanation : 50 / 100 * 100 - 20 / 100 * x = 47 50 - 20 / 100 * x = 47 3 = 20 / 100 * x 3 * 100 / 20 = x 15 = x answer : option c"
divide(subtract(multiply(divide(50, const_100), 100), 47), divide(20, const_100))