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Mathematics 7 Online
OpenStudy (anonymous):

Mark bought gifts for his friends, and each gift cost $9. Let y represent the total cost and x represent the number of gifts. Write an equation to represent the proportional relationship between the total cost and the number of gifts he bought.

OpenStudy (anonymous):

@satellite73

OpenStudy (anonymous):

I think its y = 9x

OpenStudy (pyxieyt):

Yep, because you would have to multiply the cost and number of gifts to find the total!

OpenStudy (anonymous):

thanksss .

OpenStudy (pyxieyt):

No problem!

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