# Emma takes a job with a starting salary of $42,000. Her salary increases by 4% at the beginning of each year. What will be Emma's salary, to the nearest thousand dollars, at the beginning of year 10?

##### 2 Answers

Alternative solution:

#### Explanation:

We can use geometric sequences to calculate this.

In a geometric series, the formula for

Therefore, we are solving for

Emma's salary would be

**Practice exercises:**

John gets a job where the base salary is of

Here is the third solution.

#### Explanation:

Let Emma's salary at the beginning of

Rate of increase per year

General expression for salary at the beginning of

Number of completed years at the beginning of

Inserting given values we obtain

or

or