If necessary, round your answers to 1 decimal digit.

1 a.

Mary roller skates for 15 minutes with a constant speed of 18 mph and then for another 2 hours 45 minutes with a constant speed of 12 mph. What distance did she go?

2 a.

An airplane flies 840 miles with a constant speed of 600 mph and another 1829 miles with a constant speed of 620 mph. How much time in total does it take to travel these distances?

3 a.

Bob rides his horse 46.2 miles with a constant speed of 14 mph and another 23.6 miles with a constant speed of 9 mph. How much time in total does he take to travel these distances?

Page 2

Answer Key

1 a.

She traveled a distance of 37.5 miles.

2 a.

It takes 4 hours and 21 minutes to travel the two distances.

3 a.

He takes 5 hours and 55 minutes to travel the two distances.

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