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document.write( "Arthur was riding his bike to school at 12km per hour. When he was 2/3 of the w ay he got a flat tyre. His dad drove him the rest of the way at 48km per hour. What was his average speed. \r
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Algebra.Com's Answer #815793 by josgarithmetic(39613)![]() ![]() ![]() You can put this solution on YOUR website! Two different distance lengths described. First part may be 2L and last part may be L.\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " SPEEDS TIME DISTANCES\r\n" ); document.write( "\r\n" ); document.write( "part1 12 (2L)/12 2L\r\n" ); document.write( "\r\n" ); document.write( "part2 48 L/48 L\r\n" ); document.write( "\r\n" ); document.write( "TOTALS (2L)/12+L/48 3L\r\n" ); document.write( " \n" ); document.write( "Question is to find average speed of the whole trip.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |