Answer:
There are more cats treats. 504 treats
Step-by-step explanation:
27 boxes of dog biscuits. Each 18 biscuits
27*18=486 biscuits
21 pouches of cat treats. Each 24 treats.
21*24=504
18 miles driven in a week
a unit rate is x/1, x being 18 miles and 1 being 1 week