# Sandra saves 12% of her salary for retirement. This year her was $3,000 more than in the previous year, and she saved $4.20. What was her salary in the previous year?

##### 2 Answers

Jul 21, 2018

First, we want to figure out what her salary was this year. We know that

Solve for

With this, we know that you stated the problem incorrectly, but this method of solving can still be used with any similar problem.

Jul 21, 2018

See below

#### Explanation:

Let's say that was in fact

Let

Let

So:

Last year she didn't earn anything and spent 2965 dollars :)