document.write( "Question 1183129: Shaun and Rebecca have a new grandson. How much money should they invest now so that he will have $43,000 for his college education in 18 years? The money is invested at 4.95% compounded semiannually. \n" ); document.write( "
Algebra.Com's Answer #813307 by ankor@dixie-net.com(22740)\"\" \"About 
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How much money should they invest now so that he will have $43,000 for his college education in 18 years?
\n" ); document.write( " The money is invested at 4.95% compounded semiannually.
\n" ); document.write( ":
\n" ); document.write( "Use the compound interest formula: \"P%281%2B%28r%2Fn%29%29%5E%28nt%29\" = A, where
\n" ); document.write( "A = amt after time (43000)
\n" ); document.write( "P = initial amt
\n" ); document.write( "r = rate of annual interest (decimal form) (.0495)
\n" ); document.write( "n = number of compound times per year (2)
\n" ); document.write( "t = no. of years (18)
\n" ); document.write( ":
\n" ); document.write( "\"P%281%2B%28.0495%2F2%29%29%5E%282%2A18%29\" = 43000
\n" ); document.write( "\"P%281.02475%29%5E36\" = 43000
\n" ); document.write( ":
\n" ); document.write( "2.4112674P = 43000
\n" ); document.write( "P = \"43000%2F2.4112674\"
\n" ); document.write( ":
\n" ); document.write( "P = $17,832.95 invested for 18 yrs to get $43,000
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