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Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.