SOLUTION: Sarah is half as old as Natalie. The sum of their ages is 36. Explain how to use a system of equations to find both their ages What are the unknown quantities and what variables

Question 975566: Sarah is half as old as Natalie. The sum of their ages is 36. Explain how to use a system of equations to find both their ages
What are the unknown quantities and what variables did you use?
� What are the equations you set up relating the variables?
� What method did you use to solve the system of equations?
� What is the solution to the problem?
� How can you check that you found the right answer?

Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
s, Sarah's age
n, Natalie's age

Use simple substitution.
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