3.5 hours each.... 7hrs if work/2 people = 3.5 hrs of work each
2 inches per minute. Just divide the total amount of inchs by the number of minutes and you have your unit rate.
Find total area
area=pir^2
d/2=r
12=d, 12/2=6=r
area=pi6^2=36pi, pi=3.14
area=113.04 square inches
22 per square inch
113.04 times 22=2486.88
rounded
2487 calories
Yes i believe thats it ok