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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 $

A man gets a job with a salary of 32200 a yearHe is promised a 2250 raise each subsequent yearDuring a 8year period his total earnings are class=

Respuesta :

Given

number of years, n = 8

common difference, d = 2250

starting salary, a = 32200

Find

Earnings after 8 years

Explanation

We know sum of n terms is given by

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

Final Answer

Earnings after 8 years is $320600