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 :)