SOLUTION: Don ran out of gasoline at mile marker 115. He can see a billboard saying there is a service station at Exit 120. Don walks at a speed of 4 miles per hour. How long will it take hi

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Question 770185: Don ran out of gasoline at mile marker 115. He can see a billboard saying there is a service station at Exit 120. Don walks at a speed of 4 miles per hour. How long will it take him to get to the service station and return with a can of gasoline? Note: The exit number matches the mile marker at that exit.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Don ran out of gasoline at mile marker 115. He can see a billboard saying there is a service station at Exit 120. Don walks at a speed of 4 miles per hour. How long will it take him to get to the service station and return with a can of gasoline? Note: The exit number matches the mile marker at that exit.
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distance to station: 5 miles
Round-trip distance: 10 miles
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time = distance/rate
time = 10 miles/4 mph = 5/2 hrs = 2 1/2 hours
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Cheers,
Stan H.