document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=986973>Question 986973</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A speedboat travels at 60km/hr for two hours and then at 90km/hr for one hour. Find its average speed over the three hours </SPAN>\n" );
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document.write( "The total distance is 2*60 + 90 = 210 km.\r<BR>\n" );
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document.write( "The spent time is 3 hours.\r<BR>\n" );
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document.write( "The average speed is the total distance divided by the time spent, i.e.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=210%2F3 ALIGN=MIDDLE  ALT=\"210%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 70 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=km%2Fh ALIGN=MIDDLE  ALT=\"km%2Fh\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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