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Mia is 3 years older than Belle, and Deborah is 5 years older than Mia. The sum of their ages is 47. How old is Belle?
6 years ago

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R_scott
m + b + d = 47

m = b + 3 ... d = m + 5 = b + 8

substituting ... b + 3 + b + b + 8 = 47

solve for b
6 years ago
Anonymous
Mia is 3 years older than Belle, and Deborah is 5 years older than Mia. The sum of their ages is 47. How old is Belle?
4 years ago

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