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masya89 [10]
2 years ago
11

Devaughn is 15 years younger than sydney. the sun of their ages is 63. what is sydney’s age?

Mathematics
1 answer:
klasskru [66]2 years ago
5 0

Answer:

39

Step-by-step explanation:

d = s - 15

d + s = 63

Replace d with s - 15

s - 15 + s = 63

2s -15 = 63

2s = 78

s = 39

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