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. (4 points)
Оа
y = 8x

1
y = 8
Oc
y = 9x
Od
1
10
ya

Respuesta :

Answer:

9x=y

Step-by-step explanation:

9 times x will equal the number of gifts (y). so the answer is Oc= y=9x