84.0k views
1 vote
Riley is 3 years older than his sister. Which of the following expressions shows the sum of their ages if s represents Riley's sister's age?

A.3s
B.s + 3
C.2(s + 3)
D.2s + 3

User Marc Gagne
by
7.3k points

2 Answers

4 votes
a.3s because riley is 3 years times s
User Inactivist
by
8.4k points
5 votes
Total is 2s+3, It should be choice C.
User FarligOpptreden
by
8.7k points