$7,000 is invested into two accounts: 4,000 into an account paying 5% interest compounded monthly and

Question

$3,000 into an account paying 4.1% interest compounded continuously.

compute the total interest earned at the end of 2 years.

Answer 1

The formulas you require can be found here:
http://www.moneychimp.com/articles/finworks/continuous_compounding.htm

There is also a calculator to make things easier.

Answer 2

amount of first = 4000(1 + .05/12)^24 = 4419.76
amount in 2nd = 3000 e^(2(.05)) = 3315.51

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