in a school 20 % of the boys are same in number as 1 / 4 th of the girls . what is the ratio of boys to the girls in the school ?
"20 % of b = 1 / 4 g 20 b / 100 = g / 4 b = 5 g / 4 b / g = 5 / 4 b : g = 5 : 4 answer is a"
divide(divide(20, const_100), divide(1, 4))