20 % of a 6 litre solution and 60 % of 4 litre solution are mixed . what percentage of the mixture of solution
20 % of 6 litre is ( 6 * 20 / 100 ) = 1.2 litre 60 % of 4 litre is ( 60 * 4 / 100 ) = 2.4 litre the mixture is 3.6 litre so the percentage is ( 3.6 * 100 / 10 ) = 36 % answer : a
multiply(divide(add(divide(multiply(60, 4), const_100), divide(multiply(20, 6), const_100)), add(6, 4)), const_100)