Answer:
6 and 2/3 or 60/9
Explanation:
First you put 2 mins and 15 secs in terms of 9/4 minutes.
Then divided by 9 to figure out how many he can do in 1/4 a minute or 15 secs
Now multiply by 4 to figure out how much he can do in 1 minute
15/9 * 4 = 60/9 hotdogs or 6 and 2/3