king1622 king1622

10-06-2016
Mathematics

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Samuel is 1/2 as old as his brother.in seven years he will be 2/3 as old as his brother will be . find their present ages. Show each step

Respuesta :

10-06-2016

B = 2S
B + 7 = 1.5(S+7)

-----
2S+7 = 1.5S + 10.5
0.5S = 3.5
Samuel is 7
Bro is 14

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