SOLUTION: I am not good setting these up. Can someone help me figure these out? \ This a two part question: Margarita is hired by an accounting firm at a salary of $60,000 per year. T

Question 60949: I am not good setting these up. Can someone help me figure these out?
\
This a two part question:
Margarita is hired by an accounting firm at a salary of $60,000 per year. Three years later her salary has increased to $70,500.
A) Assuming that her salary increases linearly, find an equation that relates her annual salary S and the number of years t that she has worked.
B) What will her salary be after 12 years with the firm?
Thanks for your help.
Answer by joyofmath(189) (Show Source): You can put this solution on YOUR website!
Let R = Margarita's annual raise.
Then,
Or,
So,
t is the number of years she's worked.
Her annual salary, S, =
After 12 years her annual salary, S, = = =
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