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anonymous
 one year ago
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.
y = 8x
y = oneeighth x
y = 9x
y = oneninthx
anonymous
 one year ago
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. y = 8x y = oneeighth x y = 9x y = oneninthx

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