document.write( "Question 1185060: Hi
\n" ); 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)\"\" \"About 
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
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document.write( "               SPEEDS        TIME            DISTANCES\r\n" );
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document.write( "part1           12           (2L)/12            2L\r\n" );
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document.write( "part2           48           L/48               L\r\n" );
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document.write( "TOTALS                     (2L)/12+L/48        3L\r\n" );
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\n" ); document.write( "Question is to find average speed of the whole trip.\r
\n" ); document.write( "\n" ); document.write( "\"%28totaldistance%29%2Ftotaltime\"\r
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\n" ); document.write( "\n" ); document.write( "\"%283L%29%2F%28%282L%29%2F12%2BL%2F48%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%283L%29%2F%288L%2F48%2BL%2F48%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%283L%29%2F%28%289L%29%2F48%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F%283%2F48%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"48%2F3\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%2816%29\"
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