# Compound interest

Joel borrowed $3208.5 on November 2, 2021, at 3.6% p.a. How many days would it take for him to repay the loan if he made a payment of $ 3,720.34?

Round up to the nearest day.

Round up to the nearest day.

## Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**algebra**- exponential equation
**arithmetic**- exponentiation
**basic functions**- percentages
- logarithm
- exponential function

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