document.write( "Question 101908This question is from textbook Prentice Hall Mathematics Algebra 1
\n" ); document.write( ": can you please help and explain to me how to do this problem: Marla begins walking at 3 mi/h toward the library. Her friend meets her at the halfway point and drives her the rest of the way to the library. The distance to the library is 4 miles. How mnay hours did Marla walk. \n" ); document.write( "
Algebra.Com's Answer #74100 by checkley75(3666)\"\" \"About 
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3mph*x=2miles
\n" ); document.write( "3x=2
\n" ); document.write( "x=2/3 hours or 2/3*60=40 minutes is how long Marla walked.
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