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IB Mathematical Studies SL, Simple Interest

How can we calculate the amount borrowed if the interest paid for this loan is $4,500 at a rate of 7% per annum over 48 months?

Thanks

How can we calculate the amount borrowed if the interest paid for this loan is $4,500 at a rate of 7% per annum over 48 months?

Thanks

- William
**Posts:**0**Joined:**Mon Jan 28, 2013 8:07 pm

IB Maths Studies SL, Simple Interest

The simple interest is given by the following formula

Where I is the amount of interest, P is the principal, r is the simple interest rate per annum and n is the time in years.

Regarding your question about the calculation of the simple interest we have that

Hope these help!

The simple interest is given by the following formula

Where I is the amount of interest, P is the principal, r is the simple interest rate per annum and n is the time in years.

Regarding your question about the calculation of the simple interest we have that

Hope these help!

- nicole
**Posts:**0**Joined:**Mon Jan 28, 2013 8:10 pm

Thanks Nicole!

- William
**Posts:**0**Joined:**Mon Jan 28, 2013 8:07 pm

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