Problema Solution

The ages for this problem is as follows

Me - 38

Niece - 7

The problem:

At some point during the lives of you and the youngest person, your age will be three times his/her age at that moment. Write an equation which models how old in years each of you will be when you are three times as old as the younger person.

I need the equation/formula to explain the solution

Answer provided by our tutors

you are currently 38

your niece is currently 7

'y' years from the current date you will be exactly three times the age of your neice


(38+y)=3(7+y)

38+y=21+3y

2y=17

y=17/2 = 8.5


you will be 46.5 and your neice will be 15.5