document.write( "Question 1126718: A long distance trucker traveled 260 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double the speed and took
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document.write( "5 hours less time. Find the speed going. \n" );
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Algebra.Com's Answer #743041 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "Since each way distance is the same, it follows from the condition that if one way time is t hours (with the faster speed), \r\n" ); document.write( "then the other way time is 2t hours (with the slower speed).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "According to the condition, 2t - t = 5 hours, which gives t = 5 hour is the time with the fast speed.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "So, t = 10 hours at the slower speed 260/10 = 26 miles per hour,\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "and t = 5 hours at the faster speed 26*2 = 52 miles per hour.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved mentally.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |