document.write( "Question 1202319: On his son's 3rd birthday his parents deposited P20,000 in his name in a investment house paying 2 7/12% every three months. Find the value of his savings when he reaches age 18. \n" ); document.write( "
Algebra.Com's Answer #837054 by Theo(13342) You can put this solution on YOUR website! 18 - 3 = 15 years of investment. \n" ); document.write( "every 3 months is compounded quarteerly. \n" ); document.write( "15 years * 4 quarters per year = 60 quarter. \n" ); document.write( "2 and 7/12% per quarter = 2.58333333...% per quarter. \n" ); document.write( "this is a one time investment at the beginning of the invewtment period. \n" ); document.write( "the formula to use is f = p * (1 + r) ^ n \n" ); document.write( "f is the future value \n" ); document.write( "p is the present value \n" ); document.write( "(1 + r) is the growth factor per quarter \n" ); document.write( "n is the number of quarters. \n" ); document.write( "the formula becomes f = 20,000 * (1+.0258333333...) ^ 60 = 92,392.86. \n" ); document.write( "that's how much will be in the account at the end of the investment period. \n" ); document.write( " \n" ); document.write( " |