Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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The
Marriott family bought a new apartment three years ago for $65,000. The apartment is now worth
$86,515. Assuming a steady rate of growth, what was the yearly rate of appreciation?
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2.
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In
1928, when high jump was first introduced as a women’s sport at the Olympic Games, the winning
jump for women was 70.0 inches, while the winning jump for men was 86.5 inches. Since then, the
winning jump for women has increased by about 0.48% per year, while the winning jump for men has
increased at a slower rate, 0.4%. If these rates continue, when will the winning jump for women be
higher than the winning jump for men? a. | after 110 years | c. | after 265 years | b. | after 248
years | d. | after 270
years | | | | |
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3.
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Kronos Industries bought a desktop for $3000. It is expected to depreciate at a rate
of 10% per year. What will the value of the desktop be in 4 years? Round to the nearest
integer. a. | $1968 | c. | $2700 | b. | $2057 | d. | $4391 | | | | |
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4.
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Merlin Industries bought a laptop for $2100. It is expected to depreciate at a rate of
14% per year. What will the value of the laptop be in 5 years? a. | $912 | c. | $1806 | b. | $988 | d. | $4043 | | | | |
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5.
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An
anthropologist finds there is so little Carbon-14 remaining in a prehistoric bone that instruments
cannot measure it. This means there is less than 0.2% of the amount of Carbon-14 the bones would have
contained when the person was alive. How long ago did the person die? (The constant for Carbon-14 is
0.00012.) a. | 13,411
years | c. | 45,020
years | b. | 22,491 years | d. | 51,788 years | | | | |
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