If necessary, round your answers to 1 decimal digit.

1 a.

Mike travels in an airplane a distance of 1380 miles. For one-third of the distance, the airplane flies at a speed of 680 miles per hour, and for the rest of the distance, it flies at a speed of 540 miles per hour. How long does the trip take?

2 a.

Julia drives her car 138.6 miles with a constant speed of 33 mph and another 180 miles with a constant speed of 75 mph. What is her average speed for the total trip?

3 a.

David's airplane trip took 5.8 hours. For one-third of that time, the airplane flew at a speed of 520 miles per hour, and for the rest of the time, it flew at a speed of 740 miles per hour. What distance did David travel?

Page 2

Answer Key

1 a.

The trip takes 2 hours and 22 minutes or 2.4 hours.

2 a.

Her average speed is 48.3 mph.

3 a.

David traveled 3866.7 miles.

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