Teacher/User Name: DEMO Name:__________________________ Practice ProblemsBy Easy Worksheet Period: ________ Date: ____________

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1) Find the total amount paid on a 2 years loan of \$100 at an annual rate of 4% interest.

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2) The half life of Astatine is 8 hours. That means every 8 hours there is half the amount there was before. If we start with 1000 mg, find the amount that will be left after 8 hours.
3) In 1987 there were 400 residents of Sillycity. The number of residents increases by 30% every year. How many residents are there in 1993?

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4) In 1995 there were 1000 pounds of trash created in Notreallife. Due to recycling efforts, the amount of trash decreases by 70% every year. How much trash was there in 1998?

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