I will give brainiest to whoever answers correctly !!

Answer:
11%
Step-by-step explanation:
309.60 - 270 = 39.6
Since in this case there are 360 days in a year, we would divide 39.6 by 360 (the number of days)
So:
39.6/360 = 0.11
0.11 as a percent is 11%
So your answer is 11%