99.2k views
4 votes
Maggie's brother is 8 years younger than four times her age. The sum of their ages is 67.

How old is maggie?

2 Answers

4 votes
Set up a system of equations
4m-8=b
m+b=67

Solve by substituting for what b equals
4m-8= 67-m
5m= 75
m=15

So she is 15 years old
User Supravat Mondal
by
8.0k points
2 votes
I think she is 15 years old
User Skyler
by
7.8k points

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