document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #527340 by Alan3354(69443)\"\" \"About 
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Depends oh her speed.
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\n" ); document.write( "If she goes r mi/hr, it will take t = 20/(r-50) hours to catch up.
\n" ); document.write( "She will go 50t miles, = 1000/(r-50) miles.
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