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

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(16946) (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
RELATED QUESTIONS
At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading... (answered by jorel1380)

At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading... (answered by stanbon)

At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading... (answered by ankor@dixie-net.com)

At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading... (answered by Edwin McCravy)

At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading... (answered by richwmiller)

At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading... (answered by macston)

At 5 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading... (answered by solver91311)

One day snow begins to fall at a constant rate. At noon, a snowplow starts clearing a... (answered by josgarithmetic,Alan3354,ikleyn)