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

Tags

CCSS.6.EE.B.7

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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?

Tags

CCSS.HSA.CED.A.1

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?

Tags

CCSS.HSA.CED.A.1

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.

Tags

CCSS.8.EE.C.7B

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?

Tags

CCSS.HSA.CED.A.1

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?

Tags

CCSS.HSA.CED.A.1

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?

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A