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# calculating interest rate- GCSE math

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1. I am studying compound interest atm but not sure how to calculate to find the actual interest rate? For example in this question :

compound interest is paid for two years and there is £5280.92 in the account. After three years there is £5597.78 in the account

A) what is the interest rate?
B) what amount of money was originally invested into the account

I'm really struggling with math so if anyone could help that would be great,thanks
2. (Original post by chloewilliams3)
I am studying compound interest atm but not sure how to calculate to find the actual interest rate? For example in this question :

compound interest is paid for two years and there is £5280.92 in the account. After three years there is £5597.78 in the account

A) what is the interest rate?
B) what amount of money was originally invested into the account

I'm really struggling with math so if anyone could help that would be great,thanks
5597.78/5280.92
≈ 1.06
≈ 6%

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