Distance Formula Word Problems

An aircraft carrier made a trip to Guam and back. The trip there took three hours and the trip back took four hours. It averaged 6km/h on the return trip. Find the average speed of the trip there.
distance formula word problems

What is the formula for finding distance and current of a row boat if only the still water rowing speed is given?
the distance formula word problems

The speed of a current is 6 mph. If a boat travels 62 miles downstream in the same time that it takes to travel 31 miles upstream, what is the speed of the boat in still water?
worded problem for distance formula

Juan drives to work. Becasue of traffic conditions, he averages 22 mph. He returns home averaging 32 mph. The total travel time is 2 1/4 hours. How much time does Juan spend driving to work?
word problem finding the distance formula

A truck enters the highway traveling 60mph. A car enters the highway 13 minutes later traveling 66 mph. From the time the car enters the highway, how long will it be before the car passes the truck?