32.6k views
6 votes
Sally is older than Jenny. The sum of their ages is 45 and the difference is 9. Find the ages of Sally

and Jenny

User Hathor
by
7.0k points

1 Answer

5 votes

Answer:

Sally is 27

Jenny is 18

Explanation:

using algebra:

x+(x-9)= 45

x+x-9

2x-9=45

2x-9+9=45+9

2x=54

54÷2=27

Sally = 27

27-9 = 18

Jenny = 18

This should be it!

hope this helps :)

User Dheeraj Pande
by
8.7k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories