document.write( "Question 1055222: A customer needs to borrow $7500 to purchase a used car. The car dealer arranges with a finance company to lend the customer the money at 2.9% compounded monthly for three years. What will the customer's monthly payment be?\r
\n" ); document.write( "\n" ); document.write( "I have: \r
\n" ); document.write( "\n" ); document.write( "PV= 7500, i= 2.9% = 0.029 / 12months = 0.002 416 67, n = 12months x 3years = 36, R= ? (monthly payment)\r
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\n" ); document.write( "\n" ); document.write( "PV=R [1-(1 + i)^-n
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\n" ); document.write( " i \r
\n" ); document.write( "\n" ); document.write( "7500 = R [1 - (1.002 416 67)^-36 {Get rid of divisor (7500 x 0.00241667)= 18.125}
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\n" ); document.write( " 0.002 416 67\r
\n" ); document.write( "\n" ); document.write( "18.125 = R[1 - 0.91677]\r
\n" ); document.write( "\n" ); document.write( "18.125 = R[0.8323]\r
\n" ); document.write( "\n" ); document.write( "R= 21.777 \r
\n" ); document.write( "\n" ); document.write( "Now this not right. I reckon it's off by a decimal place as the TVM function on my TI 83 plus calculator makes out the answer as R = 217.78 \r
\n" ); document.write( "\n" ); document.write( "Where am I going wrong?
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Algebra.Com's Answer #670465 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
I'm not sure of the formula you are using.
\n" ); document.write( "Here is the standard monthly payment formula.
\n" ); document.write( "It looks like you're missing a term.
\n" ); document.write( "\"M=%28Pr%281%2Br%29%5En%29%2F%28%281%2Br%29%5En-1%29\"
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\n" ); document.write( "\"P=7500\"
\n" ); document.write( "\"r=0.029%2F12\"
\n" ); document.write( "\"n=36\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "Yes, that's the answer you'll get with this formula and verified with EXCEL's PMT function.
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