A local hardware store just announced a 7.25% decrease in the price of a particular lawn mower. If the lawn mower sells for $1113.00, find its...

1. A local hardware store just announced a 7.25% decrease in the price of a particular lawn mower. If the lawn mower sells for $1113.00, find its original price.
2. The time required to unload a truck varies inversely as the number of people working (to unload). If 15 people can empty the truck in 60 minutes, how long will it take 25 people to empty the same truck
3. Suppose that $10,500 is invested at 6.5% interest, compounded semiannually. Find the amount of money in the account after 12 years.

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