document.write( "Question 1179161: A person wishes to have $28,000 cash for a new car 3 years from now. How much should be placed in an account now, if the account pays 6.1% annual interest rate, compounded weekly?\r
\n" ); document.write( "\n" ); document.write( "Please explain to me this question step-by-step.\r
\n" ); document.write( "\n" ); document.write( "Homework question from Hans Beauvoir
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Algebra.Com's Answer #808672 by mananth(16946)\"\" \"About 
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\n" ); document.write( "P = A / (1 + r/n)^nt\r
\n" ); document.write( "\n" ); document.write( "P = principal
\n" ); document.write( "A = amount accrued
\n" ); document.write( "r = rate =6.01% = 0.061
\n" ); document.write( "n= number of times compounded. ( weekly) = 52
\n" ); document.write( "t= time in years\r
\n" ); document.write( "\n" ); document.write( "P = 28,000.00 / (1 + 0.061/52)^((52)(3))\r
\n" ); document.write( "\n" ); document.write( "P = 28,000.00 / (1 + 0.001173077)^(156)\r
\n" ); document.write( "\n" ); document.write( "Use calculator\r
\n" ); document.write( "\n" ); document.write( "P = $23,320.01
\n" ); document.write( "The principal investment required to get a total amount of $28,000.00 is $23,320.01\r
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