I believe the answer is 60
1200 divided by 20=60
1:81 Degrees
2:109 Degree
3&4:90 Degrees
Answer:
80 minutes.
Step-by-step explanation:
If you look at the graph, every 50 square feet, the time goes up 20 mins.So if 150 were to become 200, then 60 would become 80.