Felix is baking a pie. He turns on the oven and waits for it to heat to 350 degrees before putting the pie in. Once the pie is done baking, he removes it and turns off the oven.

How long was the pie baking? In other words, how long was the oven’s temperature 350 degrees?
x
y
0
10
20
30
40
50
60
70
80
90
100
0
50
100
150
200
250
300
350
Time (min)
Temperature (°F)
The oven's temperature was 350 degrees for
minutes.