1.   Real Estate Julie bought a house for $100,000 five years ago. If the value of the house has appreciated 5% per year, how much is it worth now?
    A. $119,643.57 B. $127,628.16
    C. $77,378.09 D. $125,000.00
    Hint

  2.   Business An analyst estimates that the computers his company just bought will depreciate at a rate of 25% per year. At this rate, approximately how long will it take a computer to depreciate to 30% of its original value?
    A. 5 years B. 3 years
    C. 10 years D. 4 years
    Hint

  3.   Paleontology A fossil is found that contains 10% of the amount of carbon-14 found in a living being. About how old is the fossil?
    A. 20,700 years B. 17,600 years
    C. 19,200 years D. 15,300 years
    Hint

  4.   Population The population of Redville grew from 5432 in 1990 to 7116 in 2000. Assuming the population is growing exponentially, predict the population of Redville in 2005.
    A. about 8290 B. about 8360
    C. about 7960 D. about 8140
    Hint

  5.   Suppose a new car loses value at 10% per year for the first 5 years. When should the owner sell it if they want to receive 75% of what they paid for it?
    A. after 2.73 years B. after 2.5 years
    C. after 2 years D. after 3 years
    Hint



Glencoe
The McGraw-Hill Companies