document.write( "Question 396952: In a certain city a birth occurs on the average every 24 minutes and a death every half hour. A resident moves out of the city every 1.5 hours and a new person moves into the city every 4.5 hours. How long does it take on the average for the population to increase by 1 person? Please help me! \n" ); document.write( "

Algebra.Com's Answer #281433 by stanbon(75887) $\"\"$ $\"About$

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In a certain city a birth occurs on the average every 24 minutes and a death every half hour. A resident moves out of the city every 1.5 hours and a new person moves into the city every 4.5 hours. How long does it take on the average for the population to increase by 1 person? Please help me!
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\n" ); document.write( "How many births in a day? 60
\n" ); document.write( "How many arrive in a day? 5 1/3
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\n" ); document.write( "Total in 24 hrs: 60 1/3
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\n" ); document.write( "How many deaths in a day? 48
\n" ); document.write( "How many leave in a day? 16
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\n" ); document.write( "Total in 24 hrs: 64
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\n" ); document.write( "So you have a gain of 1 1/3 in 24 hrs.
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\n" ); document.write( "When do you have a gain of 1 person?
\n" ); document.write( "Solve (4/3)/24 = 1/x
\n" ); document.write( "(4/3)x = 24
\n" ); document.write( "x = 18 hrs.
\n" ); document.write( "---
\n" ); document.write( "Every 18 hrs. the town gains one person.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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