Arrange the fractions 5/2, 3/2, 7/2

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

The length of the shadow of a building is 120 meters, as shown below: building shadow 120 m what is the height of the building? (1 point)

Ineed ! what is the connection between ratios, fractions, and percents? give an example with your answer.