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 = one-eighth x
y = 9x
y = one-ninthx

Question

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 = one-eighth x
y = 9x
y = one-ninthx

anonymous · Answer

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Mercury · Answer

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