SOLUTION: Hello! I am confused with this word problem in which I have to use geometric/arithmetic sequences. In a certain school system, the starting salary for a teacher is $24,000 with

Question 737273: Hello! I am confused with this word problem in which I have to use geometric/arithmetic sequences.
In a certain school system, the starting salary for a teacher is $24,000 with an annual raise of $1200 each year until a maximum salary of $40,800 is reached. How many years must a person teach to reach the maximum salary?
Thanks!:)
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
24000+1200x=40800
1200x=40800-24000
1200x=16800
x=16800/1200
x=14 yrs
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