If necessary, round your answers to 1 decimal digit.

1 a.

Sarah travels in an airplane a distance of 1320 miles. For one-third of the distance, the airplane flies at a speed of 760 miles per hour, and for the rest of the distance, it flies at a speed of 560 miles per hour. How long does the trip take?

2 a.

David's airplane trip took 4.6 hours. For one-half of that time, the airplane flew at a speed of 800 km/h, and for the rest of the time, it flew at a speed of 720 km/h. What distance did David travel?

3 a.

An airplane flies for 5.9 hours with a constant speed of 1000 km/h and then for another 4 hours 46 minutes with a constant speed of 920 km/h. What is its average speed for the total trip?

Page 2

Answer Key

1 a.

The trip takes 2 hours and 9 minutes or 2.2 hours.

2 a.

David traveled 3496 km.

3 a.

Its average speed is 964.2 km/h.

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