Mark bought gifts for his friends, and each gift cost $9. Let y represent the total cost and x represent the number of gifts. Wr
ite an equation to represent the proportional relationship between the total cost and the number of gifts he bought. (4 points)
a y = 8x
b y = one-eighth x
c y = 9x
d y = one-ninth x
2 answers:
Answer: the answer is C, y = 9x
C is the answer
Hope this helps
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