document.write( "Question 896313: It takes 4 hours to cover a certain distance at 40 km per hour. How long would it take to cover it at 50 km per hour? \n" ); document.write( "
Algebra.Com's Answer #543389 by Alan3354(69443)\"\" \"About 
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It takes 4 hours to cover a certain distance at 40 km per hour. How long would it take to cover it at 50 km per hour?
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\n" ); document.write( "Find the distance.
\n" ); document.write( "Then find the time at 50 km/hr
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