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 15 mi/hr and

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Question 496113: 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 15 mi/hr and reaches the plow 30 minutes later. Find the speed of the snowplow.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
15 mi/hr x 1/2 hr=7.5 miles
7.5 miles/2.5 hours=3 miles per hour for the snowplow..