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The total cost y is proportional to the number of used books x purchased at a constant price of $4. What equation represents this relationship?
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The total cost y is proportional to the number of used books x purchased at a constant price of $4. What equation represents this relationship?

User Matthieu Libeer
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1 Answer

3 votes

Answer:

Y=x+4

If you think about it it's basically a addition problem.

User CodingFoo
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