Solving Exponential Equations (lacking a common base)
Solve the exponential equation: 5x-2 = 6

Help please. I came up with 2.8154 but do not think it is right

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