document.write( "Question 269393: Biking into the wind on a flat path, a bicyclist takes 5 hours to travel 30 miles. The return bike takes 3 hours. The wind speed remains constant during the trip.\r
\n" ); document.write( "\n" ); document.write( "a. Find the bicyclist's average speed for each leg of the trip.\r
\n" ); document.write( "\n" ); document.write( "b. Write a system of linear equations that represent the situation. \r
\n" ); document.write( "\n" ); document.write( "c. What is the bicyclist's average speed in still air? What is the speed of the wind?
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Algebra.Com's Answer #197583 by Alan3354(69443)\"\" \"About 
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What connection is there between wind speed and bicycle speed?
\n" ); document.write( "It's not possible to calculate wind speed from this info.
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