Distance, Rate, Time

A windsurfer travelled 28 km in 1 hour and 45 minutes. On average, what was his speed?
Which equation is best to solve this equation?

• rate = distance / time

• time = distance / rate

• distance = rate * time

• distance = rate / time

A windsurfer travelled 28 km in 1 hour and 45 minutes. On average, what was his speed?

• 16 km/hr

• 28 km/hr

• 1.75 km/hr

• 8 km/hr

Natalie traveled to the lake and back. It took three hours less time to get there than it did to get back. The average speed on the trip there was 75 km/h. The average speed on the way back was 30 km/h. How many hours did the trip there take?

Aliyah left the airport and traveled home at an average speed of 40 km/h. Shanice left at the same time and traveled in the opposite direction with an average speed of 60 km/h. How long does Shanice need to travel before they are 300 km apart?

Trevon left the hardware store and drove west at an average speed of 20 km/h. Shreya left three hours later and drove in the same direction but with an average speed of 50 km/h. How long did Trevon drive before Shreya caught up?

Courtney left the movie theater and drove toward the desert at an average speed of 48 mph. Pranav left one hour later and drove in the same direction but with an average speed of 63 mph. Find the number of hours Courtney drove before Pranav caught up.

An Air Force plane flew to the airshow and back. It took 0.9 hours less time to get there than it did to get back. The average speed on the trip there was 252.2 mph. The average speed on the way back was 194 mph. How many hours did the trip there take?

A diesel train traveled to Johannesburg and back. The trip there took two hours and the trip back took nine hours. It went 35 km/h faster on the trip there than on the return trip. What was the diesel train's speed on the trip to Johannesburg?

A jet flew to the airshow and back. On the trip there, it flew 250 mph and on the return trip it went 168 mph. How long did the trip there take if the return trip took 10 hours?

Trevon left the mall three hours before Kathryn. They traveled in opposite directions. Kathryn traveled at 70 mph for one hour. After this time they were 300 miles apart. Find Trevon's speed.