please solve so i can use this for reference! thank you

Steven Garcia has $2,300 to invest. His brother approached him with an investment opportunity that could double his money in 3 years. What interest rate would the investment have to yield in order for Steven's brother to deliver on his promise? (If you solve this problem with algebra round intermediate calculations to 4 decimal places, in all cases round your final answer to 2 decimal places, e.g. 8.72%.) Expected rate of return %