Question

How
long does it take to double your capital if you put it in an
account paying compound interest rate at a rate of 7%? What if the
account pays simple interest ? What if the account pays
continuiusly compounded interest?

Answer #1

We will assume the principal amount to be $1. We need to find the time in which it becomes $2 i.e. double the capital.

**Compound
Interest**

We need to solve the following equation:

Hence it will take 10.2448 years at 7% compound interest to double your capital.

**Simple
Interest**

We need to solve the following equation

It will take 14.2857 years at 7% simple interest to double your capital

**Continuously
compounded interest**

Hence It will take 9.9021 years at 7% continuously compounded interest to double your capital.

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how long does it take a $3,200 investment to double if it is
invested at 7% compounded monthly?

6. How long does it take to double your money at 10 percent
interest? How long does it take to quadruple your money?
Input area:
Output area:
Present value
Years
Interest rate
Future value
$
1.00
***?
10%
$
2.00
1.00
***?
10%
4.00

1. If you deposit $6,500 into an account paying 8% annual
interest compounded monthly, how much money will be in the account
after 7 years?
2. If you deposit $5,000 into an account paying 6% annual
interest compounded monthly, how long until there is $8,000 in the
account?
3. At 3% annual interest compounded monthly, how long will it
take to double your money?

How long will it take an investment of $6000 to double if the
investment earns interest at a rate of 7% per year compounded
semi-annually.

How long will it take to double your money at 6% interest
compounded annually?

How
long would it take to double your money in an account paying 4%
compounded quarterly?
Ignoring leap uears, the investment will be doubled in _____
years and _____ days. (Round to the nearest whole number as
needed.)
I'm having a problem, all the explanations I've received give
me a response of 17.42 years; however, my book says 17 years and
151 days - how do I get the 151 days???? im so confused. can the
exact answer be obtained...

At 6.5% interest, how long does it take to double your
money?
(Do not round intermediate calculations. Round your answer to 2
decimal places.)
Length of time years At 6.5% interest, how long does it take to
quadruple it?
(Do not round intermediate calculations. Round your answer to 2
decimal places.) Length of time years

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(a) You are put in charge of managing your firm’s working capital.
Your firm has
$ 100,000 in extra cash on hand and decides to put it in a savings
account
7% interest. How much will you have in your account in 12 years
assuming
that banks pays interest annually i.e (compounding) interest
payments accrues
annually.
(b) Your grandma wants to know exactly what an acid-test ratio is.
Please explain
in simple terms what above ratio...

At 6.1 percent interest, how long does it take to double your
money? (Do not round intermediate calculations and round your
answer to 2 decimal places, e.g., 32.16.) Length of time years At
6.1 percent interest, how long does it take to quadruple it? (Do
not round intermediate calculations and round your answer to 2
decimal places, e.g., 32.16.) Length of time years.

At 5 percent interest, how long does it take to double your
money? (Do not round intermediate calculations and round
your answer to 2 decimal places, e.g., 32.16.)
Length of time
years
At 5 percent interest, how long does it take to quadruple your
money? (Do not round intermediate calculations and round
your answer to 2 decimal places, e.g., 32.16.)
Length of time
years

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