SOLUTION: At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading out of town. At 8 A.M. an automobile begins traveling the highway at a speed of 35 mi/hr and

Question 942951: At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading out of town. At 8 A.M. an automobile begins traveling the highway at a speed of 35 mi/hr and reaches the plow 30 minutes later. Find the speed of the snowplow.
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
In a half hour, the car travels 35 mph/2=17.5 miles. By this time, the snow plow has been traveling 2.5 hrs, so its average speed has been 17.5 mi/2.5 hrs=7 mph
The average speed of the snow plow was 7 mph
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