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romanna [79]
3 years ago
9

Maggie's brother is 3 years younger than twice her age. The sum of their ages is 24. How old is Maggie?

Mathematics
2 answers:
katrin2010 [14]3 years ago
7 0
X is Maggie's age
y is the brother's age

x+y=24
y=2x-3

Use substitution method
x+(2x-3)=24
3x-3=24
3x=27
x=9

Maggie is 9. (Her brother is 15)
sladkih [1.3K]3 years ago
7 0

Answer:

9 years old

Step-by-step explanation:

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