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May 1st, 2015, 09:42 AM  #1 
Newbie Joined: May 2015 From: Colombia Posts: 1 Thanks: 0  Double annuity
Hi! I have this problem: A car is purchased by 12 million by paying 48 monthly fee due to x each quarterly fee due and 400 000 each for four years. If a rate of 44 % annual effective, determine the value of x . Answer is $353 137.09 Usually, in problems I've seen, annuity is separated, but here is combined. I tried solving by present and future value, but I always get a negative value, and really far from the answer. Last edited by skipjack; May 4th, 2015 at 11:59 PM. 
May 4th, 2015, 09:34 PM  #2  
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 13,311 Thanks: 935  Quote:
1: calculate k : how much can be borrowed at the quarterly payment 2: calculate the monthly payment on 12000000  k Last edited by skipjack; May 5th, 2015 at 12:00 AM.  

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