Question

John is twice as old as his brother. Four years ago, he was four times as old as his brother. Find their present ages.

Answer 1

Let John's age be 2x , then his brother's age will be x. Do you agree with this?

Answer 2

yup

Answer 3

It's given 4 years ago , he was four times as old as his brother
John's age 4 years ago=> 2x-4
and his brother's age 4 years ago=>x-4
\[\large 2x-4=4(x-4)\]
Can you take it from here?

Answer 4

Yeah. :D

Answer 5

Good, did you understand?

Answer 6

sure did! I'm working it out on paper now! that okay?

Answer 7

Good:D

Answer 8

thanks a heap! =3