6.12 Time Goes By Worksheet With Answer Key Page 6
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11Rate Problems
Practice 15
Reminders
• To determine the rate of speed, divide the distance traveled by the time it took to travel
that distance.
• The formula is: r = d –
t
• The answer is usually expressed in miles per hour (m.p.h.).
Directions: Compute the rate in each of these problems.
1. Your family took a 360-mile automobile trip from Los Angeles to San Francisco in 6 hours. What
was your average speed in miles per hour? _________________ m.p.h.
2. The Clark family drove 3,000 miles from New York to Los Angeles in 60 hours of driving. What
was their average rate? _________________ m.p.h.
3. The Brown family traveled 990 miles from Atlanta, Georgia to Houston, Texas in 33 hours. What
was their average rate of speed? _________________ m.p.h.
4. Mark’s mother drove 2,340 miles from Cincinnati, Ohio to Portland, Oregon in 39 hours. What
was her rate of speed? _________________ m.p.h.
5. Shannon’s father drove 2,750 miles from Seattle, Washington to Philadelphia, Pennsylvania in 55
hours. What was his average speed in miles per hour? _________________ m.p.h.
6. Michelle’s family drove 2,200 miles from Houston, Texas to Portland, Oregon in 40 hours. What
was their average rate of speed? _________________ m.p.h.
7. Alyssa’s family drove 3,090 miles from San Francisco, California to Boston, Massachusetts in
60 hours. What was their average speed? _________________ m.p.h.
8. Frank’s dad drove 1,600 miles from Minneapolis, Minnesota to Seattle, Washington in 40 hours.
What was his average speed in miles per hour? _________________ m.p.h.
9. Stacy’s mother drove 1,040 miles from Denver, Colorado to Memphis, Tennessee in 26 hours.
What was her average speed? _________________ m.p.h.
10. Jake’s dad flew a plane 200 miles from Kansas City, Missouri to Omaha, Nebraska in 2.5 hours.
What was the plane’s average speed? _________________ m.p.h.
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