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Devaughn is 9 years younger than sydney. The sum of their ages is 45. What is sydneys age?
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Devaughn is 9 years younger than sydney. The sum of their ages is 45. What is sydneys age?

User Alex Terreaux
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5.1k points

2 Answers

1 vote
x+x-9 = 45
2x-9 = 45
2x=54
x=27

Sydney is 27.
User Mauronet
by
5.3k points
7 votes
Sydney's age is 27 years of age. A way to do this is by subtracting 9 from 45 to get 36 and dividing it by 2 which gets you 18 and then adding 9 to that number since 18 is how old Devaughn is
User Mouhamad Lamaa
by
5.3k points
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