Today In 4 years
Gabriel (G): S + 16 (S + 16) + 4 = S + 20
Sam (S): S (S) + 4 = S + 4
S + 20 = 2(S + 4)
S + 20 = 2S + 8
20 = 2S + 8
12 = 2S
6 = S
Gabriel (G): S + 16 = (6) + 16 = 22
Answer: Gabriel=22 yrs
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