A car goes 50 miles in 0.75 hours. What is the average speed of the car?

Distance= miles
Time= hours
Speed: mph

2. Usain Bolt runs 100 meters in 10.9 seconds. What is his speed in m/s?
Distance= meters
Time= seconds
Speed: meters per second

3. How long will it take you to get to Omaha which is 62 miles away, if you travel and average speed 57 mph?

Distance= miles
Speed= mph
Time = hours

The space shuttle hits its boosters for the last time on its way to Mars. It hits a top average speed 33,000 mph? Mars is 50,000,000 miles away from earth? How many hour is needed for the shuttle to get to Mars?
NO COMMAS

Distance= miles
Speed= mph
Time = hours

5. How far can you drive if you speed at 100 miles per hour for 12 hours.

Distance= miles
Speed = mph
Time = hours