a number x is 8 times another number y . the percentage that y is less than x is
"say y = 1 and x = 8 . then y = 1 is less than x = 8 by ( 8 - 1 ) / 8 * 100 = 7 / 8 * 100 = 87.5 % . answer : b ."
multiply(divide(subtract(8, const_1), 8), const_100)