Question

John's age 4 years ago, if he will be y years old in 5 years

Answer 1

9514 1404 393

Answer:

y -9

Explanation:

From 4 years ago until 5 years from now, John will age 9 years. That is, his age 4 years ago is 9 years less than it will be in 5 years.

John's age 4 years ago is y-9 years.