How well do you still remember your elementary maths?

kennethuk (25)in #maths • 8 years ago

Who is the smartest in this community? If you think you are then solve the problem below in the quickest time possible.
The average age of a man and his son is 24 years. If the ratio of their ages is 3:1 respectively, what is the son age?

8 years ago in #maths by kennethuk (25)