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?
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?
The half-life of uranium-232 is 72 years. Find the approximate value of
in the formula
for uranium-232. Assume
is in years.
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.
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?
after 2.5 years
after 2.73 years
after 3 years
after 2 years