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Prompt for the rate of return on an investment and calculate

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Reference no: EM132356268

Practice

Write a quick calculator that prompts for the rate of return on an investment and calculates how many years it will take to double your investment.

The formula is years = 72 / r, where ris the stated rate of return.

Example Output

What is the rate of return?

0

Sorry. That's not a valid input.

What is the rate of return?

ABC

Sorry.

That's not a valid input.

What is the rate of return?

4

It will take 18 years to double your initial investment.

Constraints

- Don't allow the user to enter 0.

- Don't allow non-numeric values.

- Use a loop to trap bad input, so you can ensure that the user enters valid values.

Reference no: EM132356268

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