Niah works as a retail sales clerk earning $18,000 per year. she plans to go to school for medical billing that has a median salary of $35,000. the cost of her education will be $20,000. if niah does not work for the 2 years that she is in school, about how long will it take her to recover her investment if she gets a medical billing job making the median salary when she graduates? a. less than 1 year b. 1.2 years c. 1.6 years d. 3.3 years

d. 3.3 years

Step-by-step explanation:

Let x represent number of years to recover Niah's investment.

We have been given that Niah works as a retail sales clerk earning $18,000 per year.

Amount earned in x years, working as clerk would be .

The amount earned in two years working as clerk would be .

We are also told that Niah will get a median salary of $35,000 after doing the course.

So amount earned in x years doing medical billing job would be .

Since the medical billing course costs $20,000, so total amount Niah would have lost or invested in medical billing job would be .

Now, we will equate both amounts and solve for x as:

Therefore, it will take Niah approximately 3.3 years to recover her investment if she gets a medical billing job making the median salary when she graduates.

3x + 4y -25 =0 represents the amount of change sianna should recieve

see below

step-by-step explanation:

x+2> 6

subtract 2 from each side

x+2-2 > 6-2

x > 4

there is an open circle at 4 since is it is greater than and the line goes to the right