Question

Harry is 4 times as old as sean. In 20 years time he will be twice as old as Sean. How old are they now?​

Answer 1

Harry is 10, Sean is 40

Explanation:

Harry is 10, Sean is 40

after 20 years, Harry is 30 and Sean is 60

Answer 2

Harry is 40 Sean is 10

Explanation:

4L + 20 = 2(L+20), or 4L + 20 = 2L + 40, 4L - 2L = 40 - 20, 2L = 20 ---> L = 10.