if two positive numbers are in the ratio 1 / 10 : 1 / 7 , then by what percent is the second number more than the first ?
"given ratio = 1 / 10 : 1 / 7 = 7 : 10 let first number be 7 x and the second number be 10 x . the second number is more than first number by 3 x . required percentage = 3 x / 7 x * 100 = 42.8 % . answer : b"
multiply(divide(1, 7), const_100)