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This is a age probleme
The sum of the ages of sam and tomas is 27 years. Seven years ago,Tomas was three years more than one-fourth as old as sam. Find their present age
Let [tex]x[/tex] be the age of Sam and [tex]y[/tex] be the age of Tomas. The sum of the ages of Sam and Tomas is 27 years. In symbols: [tex]x + y = 27[/tex] Seven years ago, Tomas's age was [tex]y-7[/tex]. Meanwhile, seven years ago, Sam's age was [tex]x-7[/tex]. Therefore, the statement "Seven years ago,Tomas was three years more than one-fourth as old as Sam" written in symbols is [tex]y-7 = \frac{1}{4} (x-7) + 3[/tex]
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