Question

A man gets a job with a salary of $32,200 a year.He is promised a $2,250 raise each subsequent year.During a 8-year period his total earnings are $

Answer 1

Given

number of years, n = 8

common difference, d = 2250

starting salary, a = 32200

Find

Earnings after 8 years

Step-by-step explanation

We know sum of n terms is given by

`\begin{gathered} S_n=(n)/(2)[2a+(n-1)d] \\ =(8)/(2)[2(32200)+7(2250)] \\ =4(64400+15750) \\ =4(80150) \\ =320600 \end{gathered}`

Final Answer

Earnings after 8 years is $320600