Each car is traveling at a constant speed. Find the number of miles each car travels in 1 hour at the given rate.
Group of answer choices
1. 135 miles in 3 hours
2. 22 miles in 1/2 hour
3. 7. 5 miles in 1/4 hour
4. 100/3 miles in 2/3 hour
5. 97 1/2 miles in 3/2 hour