document.write( "Question 1163452: How far can a man walk into the country at the rate of 4mph if he rides back at the rate of 20 mph and his total time is 8 hours? Express your answer as a decimal number to the nearest hundredth. \n" ); document.write( "

Algebra.Com's Answer #787541 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Let d be one way distance.\r\n" );
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document.write( "Then you have this \"time\" equation\r\n" );
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document.write( "     +  = 8  hours.\r\n" );
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document.write( "The terms in the left side are the time intervals walking/riding in each direction.\r\n" );
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document.write( "To solve the equation, multiply both sides by 20.  You will get\r\n" );
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document.write( "    5d + d = 8*20\r\n" );
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document.write( "    6d     = 160\r\n" );
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document.write( "     d     = 160/6 = 26  miles = 26.67 miles.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "On \"time\" equation, see the lesson \r
\n" ); document.write( "\n" ); document.write( " - Time equation: HOW TO use, HOW TO write and HOW TO solve it \r
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