if 40 % of a number is greater than 80 % of 5 by 2 , what is the number ?
"explanation : 40 / 100 * x - 80 / 100 * 5 = 2 40 / 100 * x - 4 = 2 40 / 100 * x = 6 x = 6 * 100 / 40 x = 15 answer : option b"
multiply(const_100, divide(add(2, multiply(divide(5, const_100), 80)), 40))