a is half good a work man as b and together they finish a job in 32 days . in how many days working alone b finish the job ?
"wc = 1 : 2 2 x + x = 1 / 32 = > x = 1 / 96 2 x = 1 / 96 = > 48 days answer : c"
multiply(32, divide(const_3, const_2))