a number x is 4 times another number y . the percentage that y is less than x is
"say y = 1 and x = 4 . then y = 1 is less than x = 4 by ( 4 - 1 ) / 4 * 100 = 3 / 4 * 100 = 75 % . answer : b ."
multiply(divide(subtract(4, const_1), 4), const_100)