A hardware store makes a profit of $41,000 during its first year. The store owner sets a goal of increasing profits by $9000 each year for 4 years. Assuming that this goal is met, find the total profit during the first 5 years of business.

Answer 1

another sum of arithmetic sequence
a = 41,000
d = 9000
n = 5 (so n-1 = 4)
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