82.5k views
5 votes
John is twice as old as

his son peter.
10 years ago, John was three times as old
as peter determine peters present age.


1 Answer

4 votes

Answer:

Peter is 20 now John is 40 now

Explanation:

Peter = P

John = 2P (twice as Peter)

3P-10 = 2P +10

P = 20 Peter is 20now John is 40 now( twice as Peter)

Ten years ago:

Peter was 10 and John was 30 ( 3times as Peter)

User Jcesarmobile
by
4.5k points