If necessary, round your answers to 1 decimal digit.

1 a.

Juan's airplane trip took 2.2 hours. For one-half of that time, the airplane flew at a speed of 640 km/h, and for the rest of the time, it flew at a speed of 720 km/h. What distance did Juan travel?

2 a.

Juan's airplane trip took 1.4 hours. For one-fourth of that time, the airplane flew at a speed of 720 km/h, and for the rest of the time, it flew at a speed of 1000 km/h. What distance did Juan travel?

3 a.

Mary rides her horse for 5.4 hours with a constant speed of 14 km/h and then for another 4 hours 52 minutes with a constant speed of 17 km/h. What is her average speed for the total trip?

Page 2

Answer Key

1 a.

Juan traveled 1496 km.

2 a.

Juan traveled 1302 km.

3 a.

Her average speed is 15.4 km/h.

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