document.write( "Question 268809: if the U.S grows at an annual rate of 7.5%, how long will take to reach a population of 400 000 000?(the population, now, is 300 000 000) \n" ); document.write( "
Algebra.Com's Answer #196956 by mananth(16946)\"\" \"About 
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if the U.S grows at an annual rate of 7.5%, how long will take to reach a population of 400 000 000?(the population, now, is 300 000 000)\r
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\n" ); document.write( "\n" ); document.write( "For every 100 population 7.5 increase per year
\n" ); document.write( "for 30 000 000 000 the increae per year will be \r
\n" ); document.write( "\n" ); document.write( "30 000 000 000 *7.5 / 100= 22 500 000\r
\n" ); document.write( "\n" ); document.write( "to increase by 100 000 000 it will take \r
\n" ); document.write( "\n" ); document.write( "100 000 000 / 22 500 000 = 4.44 years\r
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