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VashaNatasha [74]
3 years ago
14

Six years ago my son was one-third my age at that time.

Mathematics
1 answer:
Vika [28.1K]3 years ago
4 0

m - my age

s - son's age

s-6=\dfrac{m-6}{3}\\s+6=\dfrac{m+6}{2}\\\\3s-18=m-6\\2s+12=m+6\\\\m=3s-12\\m=2s+6\\\\3s-12=2s+6\\s=18

<u>He's 18</u>

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