Question: Find the indicated quantities for the appropriate arithmetic sequence. In preparing a bid for constructing a new building, a contractor determines that the foundation and

Find the indicated quantities for the appropriate arithmetic sequence.

In preparing a bid for constructing a new building, a contractor determines that the foundation and basement will cost $605,000 and the first floor will cost $360,000. Each floor above the first will cost $15,000 more than the one below it. How much will the building cost if it is to be 18 floors high?

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