Priscilla Ng's answer to Jamie tai's Primary 5 Maths Whole Numbers Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Priscilla Ng
Priscilla Ng's answer
788 answers (Tutor Details)
1st
Take note that each person grows older by 1 year in 1 year time.

So, Peter and Tom each grows older by 1 year old. Their total age increases by 2 years for each additional year time.