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21-05-2014
Mathematics

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You borrow $90 from Grandma. You pay back $15 a week. Write an equation in standard form that represents the amount owed(y) after x weeks.

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21-05-2014

[tex]y=90-15x\\\\x\in\{0;\ 1;\ 2;\ 3;\ 4;\ 5;\ 6\}[/tex]

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