How to solve You own $2$ investments, A and B$,$ which are expected to be worth a combined total value of $$114,488$ in $12$ years. You plan to invest $$38,100$ in $3$ years in investment A$,$ which has an expected return of $11\mathrm{.}55$ percent per year. You also plan to invest $$7,700$ in $7$ years in investment B$,$ which has an expected return of X percent per year. What is X$?$