If necessary, round your answers to 1 decimal digit.

1 a. Abigail's airplane trip took 3 hours. For one-half of that time, the airplane flew at a speed of 580 miles per hour, and for the rest of the time, it flew at a speed of 520 miles per hour. What distance did Abigail travel?

 
 
 
 
 
 
 
 
 
2 a. Julia roller skates for 2.3 hours with a constant speed of 12 mph and then for another 4 hours 54 minutes with a constant speed of 13 mph. What is her average speed for the total trip?

 
 
 
 
 
 
 
 
 
3 a. Julia's airplane trip took 1.8 hours. For one-fourth of that time, the airplane flew at a speed of 880 km/h, and for the rest of the time, it flew at a speed of 960 km/h. What distance did Julia travel?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. Abigail traveled 1650 miles.
2 a. Her average speed is 12.7 mph.
3 a. Julia traveled 1692 km.


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