document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1111672>Question 1111672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4 express 20km in one hour as a rate </SPAN>\n" );
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document.write( "\"rate\" = \"ratio\" = \"fraction\"<br><BR>\n" );
document.write( "20km in 1 hour as a rate (fraction) is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20km%2F1hr ALIGN=MIDDLE  ALT=\"20km%2F1hr\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 20km/1hr = 20km/hr.<br><BR>\n" );
document.write( "Note in everyday life we express speed as a ratio of distance traveled per unit time, so 20km/hr is usually the way we would express the rate in this example.<br><BR>\n" );
document.write( "But there might be applications where we wanted to use an expression for the amount of time it would take to go a certain distance; so with this example we could also express the rate (fraction) as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1hr%2F20km+=+%28%281%2F20%29hr%29%2F1km ALIGN=MIDDLE  ALT=\"1hr%2F20km+=+%28%281%2F20%29hr%29%2F1km\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<br><BR>\n" );
document.write( "The usual rate tells us we go 20km in 1 hour; this rate would tell us that it takes 1/20 hour to go 1 kilometer. </SPAN>\n" );
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