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# Original Amount

Randy Dandy

1
Mon 29 Jun, 2015 12:30 pm
@ekename,
engineer

1
Mon 29 Jun, 2015 01:35 pm
@engineer,
engineer wrote:

After 1 year: X * 4/3 -5000
After 2 years: (X * 4/3 -5000) * 4/3 -5000

Look at my example again. Do you see how the answer after one year goes into the parentheses for year two?
Randy Dandy

1
Mon 29 Jun, 2015 01:45 pm
@engineer,
I don't.
0 Replies

GorDie

0
Mon 29 Jun, 2015 09:00 pm
@Randy Dandy,
u must be lacking information.
\$5000 for expenses deducted from the capital is not evidence of how much the capital was.
All you told us was each year he adds 1/3 of his current capital to his capital, and that after 3 years \$15 000 worth of EXPENSES were deducted.

that means nothing regarding the amount of Capital he had or gained.
ekename

1
Mon 29 Jun, 2015 09:26 pm
@Randy Dandy,
Quote:

C (the amount of capital at the beginning) grows to:

C* 4/3 -5000 at the end of year 1

[(C * 4/3 -5000) * 4/3)] -5000 at the end of year 2 and

{[(C * 4/3 -5000) * 4/3)] -5000}*4/3 -5000 at the end of year 3 = 2C

Then solve for C, to obtain C = 55500
Randy Dandy

1
Mon 29 Jun, 2015 10:24 pm
@GorDie,
That was the complete problem.
0 Replies

Randy Dandy

1
Mon 29 Jun, 2015 10:54 pm
@ekename,
Now, I understand your first solution more than your second, but I am not totally clear.
0 Replies

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