a number x is 7 times another number y . the percentage that y is less than x is
"say y = 1 and x = 7 . then y = 1 is less than x = 7 by ( 7 - 1 ) / 7 * 100 = 6 / 7 * 100 = 85.7 % . answer : b ."
multiply(divide(subtract(7, const_1), 7), const_100)