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

Maggie's brother is 3 years younger than twice her age. The sum of their ages is 24. How old is Maggie?
asked 4.1k views
2 votes
Maggie's brother is 3 years younger than twice her age. The sum of their ages is 24. How old is Maggie?

asked
User Mike Sallese
by
7.8k points

2 Answers

3 votes

Answer:

9 years old

Explanation:

answered
User Suprita Shankar
by
8.3k points
7 votes
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)
answered
User FiqSky
by
8.2k points
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