document.write( "Question 28650: PLEASE HELP ASAP: The number of senior citizens in the US in millions (n) years after 1990 can be estimated by using the formula: s = 0.38n + 31.2
\n" ); document.write( "The percentage of senior citizens living below poverty level (n) years after 1990 can be estimated by using the formula: p = -0.25n + 12.2\r
\n" ); document.write( "\n" ); document.write( "a.) How many senior citizens were there in 2000?
\n" ); document.write( "b.) In what year will the percentage of seniors living below poverty level reach 7%?\r
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Algebra.Com's Answer #15652 by venugopalramana(3286)\"\" \"About 
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The number of senior citizens in the US in millions (n) years after 1990 can
\n" ); document.write( "> be estimated by using the formula: s = 0.38n + 31.2
\n" ); document.write( "> The percentage of senior citizens living below poverty level (n) years after
\n" ); document.write( "> 1990 can be estimated by using the formula: p = -0.25n + 12.2
\n" ); document.write( "> a.) How many senior citizens were there in 2000?
\n" ); document.write( " s = 0.38n + 31.2
\n" ); document.write( "YEARS ELAPSED FROM 1990 TO 2000 = 2000-1990 =10
\n" ); document.write( "S=0.38*10+31.2=3.8+31.2=35 MILLION
\n" ); document.write( "> b.) In what year will the percentage of seniors living below poverty level
\n" ); document.write( "> reach 7%?
\n" ); document.write( "p = -0.25n + 12.2 =7 GIVEN
\n" ); document.write( "12.2-7=0.25N
\n" ); document.write( "0.25N=5.2
\n" ); document.write( "N=5.2/0.25=20.8 YEARS
\n" ); document.write( "THAT IS 20.8 YRS AFTER 1990 =1990+20.8=2010.8...THAT IS IN YEAR 2011...\r
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