document.write( "Question 769357: a bus leaves bloem at 19:25 and reaches durban at 02:50, a distance of approximately 540km \r
\n" ); document.write( "\n" ); document.write( "Q1 how many minutes does the bus take to its journey
\n" ); document.write( "Q2 how many seconds does it take to travel 1 kilometer
\n" ); document.write( "Q3 the average speed of the bus\r
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Algebra.Com's Answer #468827 by Jc0110(165)\"\" \"About 
You can put this solution on YOUR website!
\"02%3A50%2Bhighlight%28%2B24%3A00%29=26%3A50\"
\n" ); document.write( "The reason adding 24:00 to 02:50 is to make it subtractable by 19:25.
\n" ); document.write( "\"26%3A50-19.25=7%3A25\"
\n" ); document.write( "This subtraction has shown that the total time taken on the journey is 7 hours 25 minutes.
\n" ); document.write( "Q1
\n" ); document.write( "Time taken for the bus to take to its journey
\n" ); document.write( "=\"7+hours+25+minutes\"
\n" ); document.write( "=\"7+hours%2B25+minutes\"
\n" ); document.write( "=\"%287x60%29minutes%2B25+minutes\"
\n" ); document.write( "=\"445+minutes\"
\n" ); document.write( "Q2
\n" ); document.write( "Time taken for the bus to take to travel 1 kilometer
\n" ); document.write( "=\"%28%28445x60%29seconds%29%2F540\"
\n" ); document.write( "=\"%2826700+seconds%29%2F540\"
\n" ); document.write( "=\"49seconds\"
\n" ); document.write( "Q3
\n" ); document.write( "The average speed of the bus
\n" ); document.write( "=\"%28%287+hours+25+minutes%29%2F540km%29\"
\n" ); document.write( "=\"%28%287+hours%2B25+minutes%29%2F540km%29\"
\n" ); document.write( "=\"%287+hours%2B%2825%2F60%29hours%29%2F540km\"
\n" ); document.write( "=\"%28%287%2B25%2F60%29hours%29%2F540km\"
\n" ); document.write( "=\"%28%2889%2F12%29hours%29%2F540km\"
\n" ); document.write( "=\"0.01373kmh%5E%28-1%29\"
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