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Joe's annual income has been increasing each year by the same dollar amount. The first year his income was $19,800, and the 8th year his income was $25,400. In which year was his income $30,200?
His income was $30,200 in the ___th year.

Respuesta :

Answer:

13

Step-by-step explanation:

In 5 years, his income increased by the difference between 22,000 and 28,500.

That amount is 6,500 or 1,300 per year (found by dividing by 5 years).

find the number of years it takes to get to 37,600 by either making a T-chart or using this equation.

22000 + 1300x = 37600

-22000              -22000

            1300x = 15600

          /1300      /1300

                 x = 12

It takes 12 raises to get to that amount ~*~BUT~*~ if you count the number of years, with 22,000 being the amount the first year, that salary is reached in the 13th year.

The answer is 13.

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