nicolle26 nicolle26

22-09-2017
Mathematics

contestada

Maggie's brother is 8 years younger than four times her age. The sum of their ages is 67.
How old is maggie?

Respuesta :

Kileyren Kileyren

22-09-2017

I think she is 15 years old

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Palmetto18 Palmetto18

22-09-2017

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

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