168k views
5 votes
Is the first one correct and what are the ages?

Is the first one correct and what are the ages?-example-1
User Rhaskett
by
7.8k points

1 Answer

3 votes
For the first question (10a) I think 4x - 4 = 64 could also model the situation. For the ages, Ari is 17, Bill is 34, and Chris is 13. To check, we add them up and get a total of 64. Hope this helps.
User Andrey Turkin
by
6.6k points