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

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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) About Me  (Show Source):
You can put this solution on YOUR website!
s, Sarah's age
n, Natalie's age


system%28s=%281%2F2%29n%2Cs%2Bn=36%29
Use simple substitution.