Devaughn's age is two times Sydney's age. The sum of their ages is
2 answers:
Devaughn's age = d
Sydney's age = s
d = 2s
d + s = 15
2s + s = 15
3s = 15
s = 5
Sydney is 5 years old
5? Because 5x2 is 10 and 10+5 is 15.
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