document.write( "Question 202203: Hi can someone please help me solve for this, and or let me know if I'm on the right track? It is from the Financial Management: Principles and Applications text by Keown Chapter 5, question 5-1A:\r
\n" ); document.write( "\n" ); document.write( "(Compound interest) To what amount will the following investments accumulate?\r
\n" ); document.write( "\n" ); document.write( "a. $5,000 invested for 10 years at 10 percent compounded annually\r
\n" ); document.write( "\n" ); document.write( "Answer: 889,527.07\r
\n" ); document.write( "\n" ); document.write( "b. $8,000 invested for 7 years at 8 percent compounded annually
\n" ); document.write( "c. $775 invested for 12 years at 12 percent compounded annually
\n" ); document.write( "d. $21,000 invested for 5 years at 5 percent compounded annually\r
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\n" ); document.write( "\n" ); document.write( "Is the answer I have for a.) correct? If not can you please explain what I did wrong and how I would do the other ones?\r
\n" ); document.write( "\n" ); document.write( "Thank you
\n" ); document.write( "

Algebra.Com's Answer #152468 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
I am sending you A) so you can get started. I will look at the others.
\n" ); document.write( "Good rule of thumb is 10% interest doubles in seven years, so you can tell your answer is way off.
\n" ); document.write( "a)A=P*(1+r/n)^rt
\n" ); document.write( "A=5000(1.10)^10
\n" ); document.write( "A=5000(2.59374)
\n" ); document.write( "A=$12,968.71
\n" ); document.write( "------------------
\n" ); document.write( "b) A=8000(1+.08/1)^(1*7)
\n" ); document.write( "A=8000(1.08)^7
\n" ); document.write( "A=8000(1.713824269)
\n" ); document.write( "A=$13,710.59
\n" ); document.write( "--------------------
\n" ); document.write( "c) A=775(1+.12/1)^(1*12)
\n" ); document.write( "A=775(1.12)^12
\n" ); document.write( "A=775(3.895975993)
\n" ); document.write( "A=$3019.38
\n" ); document.write( "---------------------
\n" ); document.write( "d) A=21000(1+.05/1)^(1*5)
\n" ); document.write( "A=21000(1.05)^5
\n" ); document.write( "A=21000(1.276281563)
\n" ); document.write( "A=$26,801.19\r
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