document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1189987>Question 1189987</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car left point A at 9:00 am arrived at point B at 9:24 the distance from point A to point B is 20 km. what is the average speed in km per hour </SPAN>\n" );
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document.write( "From 9:00 AM to 9:24 AM is a gap of 24 minutes.<BR>\n" );
document.write( "24 min = 0.4 hour (divide by 60 to convert from minutes to hours)\r<BR>\n" );
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document.write( "The car travels 20 km in 0.4 hours<BR>\n" );
document.write( "speed = distance/time<BR>\n" );
document.write( "speed = (20 km)/(0.4 hour)<BR>\n" );
document.write( "speed = (20/0.4) km per hour<BR>\n" );
document.write( "speed = <font color=red>50 km per hour</font><BR>\n" );
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