7) Ashley traveled to her friend's house and back. The trip there took three hours and the trip back took two hours. She averaged 23.1 mph faster on the return trip than on the outbound trip. Find Ashley's average speed on the outbound trip.

Ryan and Susan competed in a race over 4 km. Ryan ran at a constant speed. Sophie, however, ran the first 2km at a speed 1km/h more than Ryan and ran the second 2 km at a speed 1 km/h less than Ryan. Who won the race?

A runner competes in a 6-mile race. The year before her speed was 3 mph slower and it took her one hour longer. What was her speed this year?

Hans is riding his bicycle. He rides for 19.2 kilometers at a speed of 12 kilometers per hours. For how many hours does he ride?

Beaumont, Texas, is about 150 miles from Toledo Bend. If Leo Miller leaves Beaumont at 4 a.m. and averages 45 mph, when should he arrive at Toledo Bend?

Jeff took the train to meet a friend for dinner at a retaurant 60 miles away. He took the bus back home from dinner, which made a lot of stops. The train averaged 40 mph faster than the bus, and it took 2 hours faster on the tain to make the trip. How did the bus travel on average?

Two motorcycles start at the same point. One motorcycle travels 15km due north and stops. The second motorcycle travels 32km due west and stops. Which value is closest to the distance between the motorcycles when they stop?

A skater crossed a frozen river 1 mile wide in 5 minutes with the wind behind him. It took him 15 minutes on his return trip where he skated into the wind. What was the speed of the wind?