Answer:
130 shark cookies
Step-by-step explanation:
Number of shark cookies sold last month = 65
Number of clown fish cookies sold last month = 85
Ratio = 
Now, the Marine Discovery Aquarium plans to order 170 clown fish cookies this month.
So,
Number of shark cookies : Number of clown fish cookies = 
Number of shark cookies : 170 = 
Therefore,
Number of shark cookies = 