document.write( "Question 235444: This is a word problem, I am terrible with word problems.\r
\n" ); document.write( "\n" ); document.write( " After leaving Moose Jaw, Hanson drove
\n" ); document.write( "200 kilometers at x km/hr and then decreased his speed by
\n" ); document.write( "20 km/hr and drove 240 additional kilometers. Make a table
\n" ); document.write( "like the one in Exercise 87.Write a rational expression for
\n" ); document.write( "his total traveling time. Evaluate the expression for x = 100.ms.
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Algebra.Com's Answer #173595 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Each change requires a different
\n" ); document.write( "equation because a change will make
\n" ); document.write( "the graph of \"d+=+r%2At\" a different
\n" ); document.write( "straight line
\n" ); document.write( "1st part of trip:
\n" ); document.write( "\"200+=+x%2At\"
\n" ); document.write( "2nd part of trip:
\n" ); document.write( "\"240+=+%28x+-+20%29%2At\"
\n" ); document.write( "This is 2 equations and 2 unknowns, so
\n" ); document.write( "it's solvable
\n" ); document.write( "My tip for word problems is: A small amount of time
\n" ); document.write( "spent really thinking about what's going on in
\n" ); document.write( "general is worth doing a hundred problems.
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