Two planes are flying around the world. the first plane is flying at 300 miles per hour (mph) and is 350 miles ahead of the second plane. the second plane is flying at 400 mph. how long will it take for the second plane to catch the first plane?

It takes 3.5 hours for the second plane to catch the first plane.

Step-by-step explanation:

From the information given:

To find when the second plane catches the first plane, the distances of both planes must be equal.

We can use Distance = Rate x Time.

Let t be the time.

Distance of the first plane = Rate x Time =

Distance of the second plane = Rate x Time =

Distance of the second plane = Distance of the first plane

Solving for t.

t = 3.5 hours

It takes 3.5 hours for the second plane to catch the first plane.

the answer would be c:   ax + b = ax + c

step-by-step explanation:

i would say b) is your answer

sorry if im wrong

step-by-step explanation: