blaizelange4296
14.10.2020 •
Mathematics
Devaughn is 14 years older than Sydney. The sum of their ages is 110. What is Sydney's age?
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Ответ:
d+s = 76
• substitution;
(s-14)+s = 76
2s-14= 76
2s = 90
s = 45 years old for Sydney
d = s-14 = 31 years old for Devaughn
hope this helps
Ответ: