SOLUTION: a man is twice as old as his son . In 10 years the sum of their ages will be 83 years. find thier present ages

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Question 448186: a man is twice as old as his son . In 10 years the sum of their ages will be 83 years. find thier present ages
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
m=2s
m+10+s+10=83
m+s=63
3s=63
s=21
m=42
check
31+52=83
ok