one - third less than 30 % of 180 is equal to :
"lots of ways to tackle this . 30 % of 180 = 54 1 / 3 of 45 = 18 so , 1 / 3 less than 54 is equal to 54 - 18 = 36 answer : c"
subtract(multiply(divide(30, const_100), 180), multiply(divide(const_1, const_3), multiply(divide(30, const_100), 180)))