Appreciation, Depreciation, and Chain Percents

A company bought a piece of machinery for $16,200. In the first year it depreciated by 15%, and in the second year 10%. How much was it worth after two years?

(a)  

Equipment in a factory depreciates by 20% each year. How much will a piece of equipment costing $20,000 be worth after three years’ of use?

(a)  

Rare postage stamps increase in value by 20% each year. How much will a stamp bought for $20 be worth in three years time?

(a)  

House prices increase by 10% a year. How much will a house a house costing         $90,000 sell for in three years time?

(a)  

In terms of its original purchase price of $15,000 a motorcycle depreciates 15% in the first year, 12% in the second year and 10% in the third year.  What is its value after three years?

(a)  

A man bought a car for $60,320. After using it for 2 years, he decides to trade in the car. The company estimated a depreciation of 10% for the first year of its use and a further 15% on its reduced value for the second year. Calculate the value of the car after two years.

(a)  

A man bought a car for $60 320. After using it for 2 years he decides to trade in the car. The company estimated a depreciation of 10% for the first year of its use and a further 15% on its reduced value for the second year. What is value of the car after two years as a percentage of the original value.

(a)