document.write( "Question 1132676: In 7 years I want to buy a car which most likely will cost 40,000.00. The bank offers an APR of 4.5%. How much monthly deposits I will need to make to come up with 40,000.00? \n" ); document.write( "
Algebra.Com's Answer #749778 by jerryguo41(197)\"\" \"About 
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The monthly payment can be found by using the following formula:
\n" ); document.write( "\"M+=+%28P%281%2Br%29%5En%2Ar%29%2F%28%281%2Br%29%5En-1%29\"
\n" ); document.write( "where
\n" ); document.write( " P = Present Value (beginning value or amount of loan)
\n" ); document.write( " r = Periodic Interest Rate = APR/ # of interest periods per year
\n" ); document.write( " M = Monthly Payment
\n" ); document.write( " n = # of interest periods for overall time period (i.e., interest
\n" ); document.write( " periods per year * number of years)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Plugging in your values, you would get.
\n" ); document.write( "\"r+=+0.045%2F12\"
\n" ); document.write( "\"r+=+0.00375\"\r
\n" ); document.write( "\n" ); document.write( "PLuging in \"r\"
\n" ); document.write( "\"M+=+%28P%281%2Br%29%5En%2Ar%29%2F%28%281%2Br%29%5En-1%29\"
\n" ); document.write( "\"M+=+%2840000%281%2B0.00375%29%5E84%2A%280.00375%29%29%2F%28%281%2B0.00375%29%5E84-1%29\"
\n" ); document.write( "\"M+=+%28205.4178%29%2F%28%281%2B0.00375%29%5E84-1%29\"
\n" ); document.write( "\"M+=+%28205.4178%29%2F%28.3695%29\"
\n" ); document.write( "\"M+=+556.009\"\r
\n" ); document.write( "\n" ); document.write( "In Money:
\n" ); document.write( "$556.01 per month for 84 months. You end up paying a total of $46,704.54 and pay $6,704.54 in interest.\r
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