SOLUTION: kristin is 20 miles behind a truck that is driving 50 miles per hour. how long will it take her to catch up to the truck? how far will she go in that time?

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Question 874083: kristin is 20 miles behind a truck that is driving 50 miles per hour. how long will it take her to catch up to the truck? how far will she go in that time?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Depends oh her speed.
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If she goes r mi/hr, it will take t = 20/(r-50) hours to catch up.
She will go 50t miles, = 1000/(r-50) miles.