Julia rides her horse 15.5 km in 2 7/12 hours. What is her average speed in kilometers per hour?

1 b.

An airplane flies 1620 miles in 3 hours. What is its average speed in miles per hour?

2 a.

An airplane flies 387 miles in 45 minutes. What is its average speed in miles per hour?

2 b.

An airplane flies 1050 miles in 1 hour 15 minutes. What is its average speed in miles per hour?

3 a.

Mike roller skates 18.5 km in 3 hours 5 minutes. What is his average speed in kilometers per hour?

3 b.

Nancy roller skates 29 km in 2 hours 25 minutes. What is her average speed in kilometers per hour?

Page 2

Answer Key

1 a.

Her average speed is 6 kilometers per hour.

1 b.

Its average speed is 540 miles per hour.

2 a.

Its average speed is 516 miles per hour.

2 b.

Its average speed is 840 miles per hour.

3 a.

His average speed is 6 kilometers per hour.

3 b.

Her average speed is 12 kilometers per hour.

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