document.write( "Question 253490: An alumnus wants to set up a trust (which earns 9% interest compounded semiannually) to provide a grant to his alma mater of $10,000 every six months, beginning six months from now, for six years. How much should be deposited in the trust? \n" ); document.write( "
Algebra.Com's Answer #185812 by richwmiller(17219)\"\" \"About 
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A = P(1+[i/q])^nq
\n" ); document.write( " A = Pe^(in)
\n" ); document.write( " P = Ae^(-in)
\n" ); document.write( " i = log(A/P)/(n log[e]),
\n" ); document.write( " n = log(A/P)/(i log[e]).\r
\n" ); document.write( "\n" ); document.write( "Here e = 2.718281828459 is the base of natural logarithms.
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