SOLUTION: The cost of heating the Charpentier's house in October is $250. As winter progresses, the price increases $30 each month. How much does the family pay to heat their home for 5 mont

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Question 1077508: The cost of heating the Charpentier's house in October is $250. As winter progresses, the price increases $30 each month. How much does the family pay to heat their home for 5 months
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
n, number of months.
n=1 for first month.

, how much cost in each month.

Five months;
, in the final month.

Total for all five months:

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