if two positive numbers are in the ratio 1 / 8 : 1 / 5 , then by what percent is the second number more than the first ?
"given ratio = 1 / 8 : 1 / 5 = 5 : 8 let first number be 5 x and the second number be 8 x . the second number is more than first number by 3 x . required percentage = 3 x / 5 x * 100 = 60 % . answer : c"
multiply(divide(1, 5), const_100)