Question

Harvey is 3 times as old as Jane. The sum of their ages is 52 years. Find the age of each.

Answer 1

lets x is Jane's age
3x is Harvey's age
x + 3x = 52
4x = 52
x = 13
3x = 3(13) = 39

answer: 
Jane = 13 years old
Harvey = 39 years old