I need help with this question ASAP

Need on this geometry question. explain how you did it.

Gia opened two savings accounts at two different banks. one account earns an annual 3.4% simple interest, and the other earns half as much. if she deposited $500 in each account, how much total interest will she have earned in 5 years? a. $34.00 b. $25.50 c. $51.00 d. $510.00

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247