Answer:

Step-by-step explanation:
We can use the unity rule to solve this problem.
Number of toys made in m minutes = c
Number of toys made in 1 minute = 
Number of toys made in 60 minutes = 
Since 60 minutes = 1 hours, we can write:
Number of toys made in 1 hour = 
Therefore, we can say that Kevin makes
toys per an hour.