Motion Word Problems Test

An Air Force plane left Nairobi and flew toward Jakarta at an average speed of 155 mph. A cargo plane left sometime later flying in the opposite direction with an average speed of 260 mph. After the Air Force plane had flown for five hours the planes were 1815 miles apart. Find the number of hours the cargo plane flew.

Matt and Jack left the science museum at the same time. They traveled in opposite directions. Jack traveled 20 miles per hour faster than Matt. After five hours they were 400 miles apart. Find Matt's speed.

A jet flew to Jacksonville and back. The trip there took four hours and the trip back took five hours. What was the jet's average speed on the trip there if it averaged 156 mph on the return trip?

Stephanie traveled to the recycling plant and back. It took one hour less time to get there than it did to get back. The average speed on the trip there was 75 mph. The average speed on the way back was 60 mph. How many hours did the trip there take?

Daniel left the Candy Shack restaurant and drove toward the state park. One hour later Jacob left the same restaurant driving at 60 mph in an effort to catch up to Daniel. After driving for three hours Jacob finally caught up. What was Daniel's average speed?