Question 987709
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F=father's age=3S; S=son's age
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F-10=5(S-10)
3s-10=5S-50
40=2S
20=S ANSWER 1: the son is 20 years old.
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F=3S=3(20)=60 ANSWER 2: Father is 60 years old.
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CHECK:
F-10=5(S-10)
60-10=5(20-10)
50=5(10)
50=50
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