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It will take 20 years.

Q: What time will be required for a sum of money to double itself at 5 percent simple interest full disclose?

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It is approx 8.66%

331/3 percent simple interest will double any amount in 3 years.

8 years.

11 years

As a rough guide to double any amount compounded annually, divide 70 by the interest rate. In this case that is 14 years.

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20 YEARS

There's a rule of thumb for "double your money" problems: Time = 70/interest rate, so in this case approx 7 years.

It is approx 8.66%

331/3 percent simple interest will double any amount in 3 years.

33 years

It will take 25 years for a 100 to double check if you have a simple interest of 4 percent.

It will take 18 years.

If the interest rate was eight percent, it would take about 9 years to double your principle.

Nine years at 8%

Use the "rule of 72"...simply put, using compound interest you take the number 72 and divide it by the interest rate. Thus, at 5% the time to double is 14.4 years. This formula can be used for calculating a "double" for any interest rate using the same mathematical procedure.

10 years

the equation for compound interest is Pe^(rt) the principal you want in the end is twice that of the original 12,000 plugging in and solving you get 12,000=6000e^(.13t) t = 5.33 years