Answer:
There are 504 cat treats and 486 dog biscuits.
Explanation:
Given:
Number of pouches of cat treats

Number of cat treats in each pouch

Number of boxes of dog biscuits

Number of dog biscuits in each box

Since, number of cat treats in 1 pouch = 24
Therefore, number of cat treats in 21 pouches =

Since, number of dog biscuits in 1 box = 18
Therefore, umber of dog biscuits in 27 boxes =

Hence, there are 504 cat treats and 486 dog biscuits.