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OpenStudy (anonymous):
John is 3 times as old as his brother Sam. In 5 years, John will be twice as old as Sam will be then. Find their present ages.
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OpenStudy (anonymous):
j=3s j+5=2(s+5) putting value of j; 3s+5=2s+10 3s-2s=10-5 s=5 now as j=3s so j=3(5)=15
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