1. A cargo plane flew to the maintenance facility and back. It took one hour less time to get there than it did to get back. The average speed of on the trip there was 220 miles per hour. The average speed on the way back was 200 miles per hour. How many hours did the trip there take?

2. An aircraft carrier made a trip to Guam and back. The trip took a total of 7 hours. On the way
to Guam the carrier averaged 8 miles per hour, and on the way back the carrier averaged 6
miles per hour. How long did the trip to Guam take?

3. A passenger plane made a trip to Las Vegas and back. On the trip there it flew at a constant
rate of 432 miles per hour. On the return trip the plane traveled at a constant speed of 480
miles per hour. How long did the return trip take if the total travel time of the plane was 19
hours?

4. Jonah drives to work. Because of traffic conditions, he averages 22 miles per hour. He returns
home averaging 32 miles per hour. The total travel time is 24 hours. How long does Jonah
spend driving to work?

5. A flight from New Orleans, LA to Atlanta, GA flies at an average rate of 320 miles per hour.
The airplane then returns to Atlanta at an average rate of 280 miles per hour. How long does
the flight from New Orleans to Atlanta take if the total flying time is 3 hours?