# SOLUTION: at 6 AM a snowplow, traveling at a constant speed, begins clearing a highway leading out of town. A 8 AM an automobile traveling the highway at a speed at 30 mi/hr and reaches the

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 Word Problems: Travel and Distance Solvers Lessons Answers archive Quiz In Depth

 Question 565171: at 6 AM a snowplow, traveling at a constant speed, begins clearing a highway leading out of town. A 8 AM an automobile traveling the highway at a speed at 30 mi/hr and reaches the snowplow 30 minutes late. Find the seed of the snowplow.Answer by mananth(12269)   (Show Source): You can put this solution on YOUR website!Snowplow speed be x in 2 hours before the car starts it has traveled 2x miles Catch up distance = 2x catchup time = 1/2 hour catchup rate = 30-x ( since they are travelling in same directions 2x/(30-x)=1/2 cross multiply 4x=30-x 4x-x=30 2x= 30 /2 x=15 mph---- speed of snowplow