Final answer:
To find Rolando's salary in the previous year, we can set up an equation using the given information: 0.08 * R = $3000 and R - $2000. Solving this equation will give us the answer.
Step-by-step explanation:
Let R be Rolando's salary in the previous year. We know that this year he saved $3000, which is 8% of his current salary. So we can write the equation: 0.08 * R = $3000.
Since his salary this year was $2000 less than the previous year, we can write the equation: R - $2000.
Substituting the value of R - $2000 into the first equation, we get 0.08 * (R - $2000) = $3000. Solving this equation will give us the value of R, which is Rolando's salary in the previous year.
Learn more about salary calculation