SOLUTION: Hello! I am confused with this word problem in which I have to use geometric/arithmetic sequences. In January of a certain year, Will deposited $120 in his savings account. For

Question 737272: Hello! I am confused with this word problem in which I have to use geometric/arithmetic sequences.
In January of a certain year, Will deposited $120 in his savings account. For each subsequent month of the same year and each month of the following year, his monthly deposit increased by $5. How much did he deposit in the savings account altogether during the 2 years?
Thanks! :)
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
His increase in deposit is not based on a percentage rate. He is increasing his deposit by the same quantity purely through addition and nothing else. Five dollar difference each month. ARITHMETIC progression.
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