Answer:
1 hour 39 Minutes
Step-by-step explanation:
At 8:09 P.M
Only the first plane was in the air
At 9:14 P.M
Both Planes were in the air
At 10:53 PM
First plane lands
<em>For how long were both planes in the air at the same time.</em>
Both planes were in the air between the 9:14 P.M and 10:53 PM
Duration = 1 hour 39 Minutes
Answer: 6f (3+5x)
18f + 30fx by its gcf
6
Its B i just got it right
Answer: 310
35-15= 20
6200 / 20 = 310