An airplane flies 1150 km in 1 hour 15 minutes. What is its average speed in kilometers per hour?

1 b.

Cindy rides her bike 51 km in 4 hours 15 minutes. What is her average speed in kilometers per hour?

2 a.

An airplane flies 2200 miles in 2 3/4 hours. What is its average speed in miles per hour?

2 b.

A train travels 125 km in 1 1/4 hours. What is its average speed in kilometers per hour?

3 a.

A minibus drives 85 km in 1 1/4 hours. What is its average speed in kilometers per hour?

3 b.

Mary rides her bike 20 km in 1 hour. What is her average speed in kilometers per hour?

Page 2

Answer Key

1 a.

Its average speed is 920 kilometers per hour.

1 b.

Her average speed is 12 kilometers per hour.

2 a.

Its average speed is 800 miles per hour.

2 b.

Its average speed is 100 kilometers per hour.

3 a.

Its average speed is 68 kilometers per hour.

3 b.

Her average speed is 20 kilometers per hour.

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