document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1169300>Question 1169300</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are approximately 2.8 million births in a country each year. Find the birth rate in units of births per minute. Find the birth rate in units of births per minute. </SPAN>\n" );
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document.write( "1 year = 365 days (assuming we're not talking about a leapyear)<BR>\n" );
document.write( "1 day = 24 hours<BR>\n" );
document.write( "1 hour = 60 minutes\r<BR>\n" );
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document.write( "Use those equalities above to convert from 1 year to minutes.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large 1 \text{ year} = \left(1 \text{ year}\right)*\left(\frac{365 \text{ days}}{1 \text{ year}}\right)*\left(\frac{24 \text{ hours}}{1 \text{ day}}\right)*\left(\frac{60 \text{ minutes}}{1 \text{ hour}}\right)\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large 1 \text{ year} = (1*365*24*60)\text{ minutes}\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large 1 \text{ year} = 525,600 \text{ minutes}\">\r<BR>\n" );
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document.write( "There are about 525,600 minutes in 1 year<BR>\n" );
document.write( "Since there are about 2.8 million births in 1 year, we can form the ratio<BR>\n" );
document.write( "2.8 million births : 525,600 minutes\r<BR>\n" );
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document.write( "Which is the same as writing out<BR>\n" );
document.write( "2,800,000 births : 525,600 minutes\r<BR>\n" );
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document.write( "Now divide both parts of that ratio by 525,600 to turn the \"525,600 minutes\" into \"1 minute\"\r<BR>\n" );
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document.write( "So we get<BR>\n" );
document.write( "2,800,000 births : 525,600 minutes<BR>\n" );
document.write( "(2,800,000)/(525,600) births : (525,600)/(525,600) minutes<BR>\n" );
document.write( "5.32724505327246 births : 1 minutes\r<BR>\n" );
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document.write( "We have about 5.32724505327246 births every 1 minute<BR>\n" );
document.write( "Rounded to two decimal places to simplify things a bit, we have about 5.33 births per minute.\r<BR>\n" );
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document.write( "Answer: Approximately 5.33 births per minute<BR>\n" );
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document.write( " </SPAN>\n" );
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