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Mathematics 11 Online
OpenStudy (anonymous):

You start out with $20 and then spend money in a store where every item is $3. Y = -3x + 20. Using the graph you drew for the equation, predict the amount you will have left if you buy four items.

OpenStudy (anonymous):

4 times $3 is $12. You start out with $20. $20 minus $12 is $8. You are left with $8.

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