6.12 Time Goes By Worksheet With Answer Key Page 10
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• • • • • • • • • • • Measuring Speed and Time
Word
Problems
If you know the distance an object traveled and its rate of speed, you can compute the time it took
time = distance divided by rate of speed or t = d –
to travel that distance.
r
Example: A car traveled 100 miles at 50 miles per hour.
How long did it take the car to travel that distance?
t = d –
= 100
—
= 2 hours
r
50
Directions: Use the information from page 41 and the model above to help you compute these answers.
1. A member of a bicycle club rode his bicycle 100 miles at 10 miles per hour. How many hours did
he ride? ___________ hr.
2. A pilot flew her 1930s era single engine plane 450 miles at 150 miles per hour. How many hours
did she fly? ___________ hr.
3. Your mother drove 100 miles at 40 miles per hour. How many hours did she drive?
________________ hr.
4. You rode your new skates a total distance of 35 miles in 5 hours. What was your rate of speed?
___________ m.p.h.
5. You and your best friend rode your bicycles on a 75-mile camping trip at an average speed of 10
miles per hour. How many hours did you ride? ___________ hr.
6. A sixth grade teacher at Olsen Elementary School drove 3,095 miles from Boston, Massachusetts,
to San Francisco, California, in 59 hours. What was her rate of speed? (Round the answer to the
nearest tenth.) ___________ m.p.h.
7. Two athletes decided to walk 3,150 miles from Los Angeles to New York. Their walking speed
was 4 miles per hour. How many hours did it take them? ___________ hr.
8. Two college students decided to drive 1,880 miles from Atlanta to Salt Lake City in a golf cart at
an average speed of 16 miles per hour. How many hours did it take them to make the trip?
___________ hr.
9. A motorcyclist decided to ride his motorcycle 608 miles from Washington, D.C., to Atlanta,
Georgia. His rate of speed was 45 miles per hour. How many hours did it take him?
___________ hr.
10. A young pilot flew her single engine plane 1,545 miles from Los Angeles, California to Mexico
City at an average speed of 103 miles per hour. How many hours did the flight take?
___________ hr.
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