Respuesta :

Answer: $0.6

Step-by-step explanation:

15cookies= $9

1 cookie = x

Cross multiply

15x= 9

Divide both sides by 15

x= 9/15= 3/5= $0.6

Answer:
15 cookies = 9 dollar
1 cookie = 9 ÷ 15 dollar
= 0.6 dollar

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