Unit 8 Lesson 3: Exercise 3

1) A car valued at $6500 last year is now worth 15% less. What is the value of the car now?

2) A sugar factory increases its production by 12.5% and produces 1385 tonnes of sugar a week. How many tonnes of sugar was it producing before?

3) A packaging company increased its production by 21% and produced 11,253 boxes of fruits each day. How many boxes of fruits was the factory producing daily before the increase? 

4) A mining company employed 640 people. Due to a fall in the price of gold, the company streamlined its workforce and laid off 30% of the workers. How many workers does the company have presently?

5) The population of a town increases by 5% every year. In 2002, the population was 18900. What was the population in the year 2001?

6) The coccidiosis disease attacked a large farm of 7,120 fowls. At the end of the epidemic, 45% of the fowl population had died. How many fowls were left?

7) The production at a company was 15.5% higher in July than in June. If 8,600 items were produced in June, how many items were produced in July?

8) As a result of financial crisis in Bambodo Holdings, Joanne’s salary was slashed by 18%. If her salary was £1250, what will be her salary during the financial crisis?

9) A grocer brought 5,100 mangoes into his store. After three days, 32% of the mangoes had gone bad. How many mangoes were good?

10) Gina made sales worth £59,105 on Monday and on Tuesday, her sales increased by 15%. How much sales did she make on Tuesday?

11) A golf club is made up of 80 members and  each member pays a subscription fee of £53. After a year, the members increased by 10% and the subscription fee reduced by 2%. How much did the club have at the end of the year?

12) A shop advertised a garden ornament at 10% off the sale price which was $50. The shop followed up with a second advertisement with another 10% off the new price.Is it the same as 20% decrease in the original price?

13) A computer system was priced at $1000 at the start of 2010. By 2011, it was 10% cheaper. If the price of the computer system reduces by 10% at the beginning of every year, what was the price of the computer system at the start of 2012?

14) A pack of biscuit which costs $1.40 normally contains 300g of biscuit. There are two special offers:

1. 1. Offer A: 20% more for the same price.
   2. Offer B: same amount for 20% off the normal price.

       Which is the better offer? 

15) An increase of 20% in the price of a car raised its price to $160,200. What would have been the price if it had been reduced by 5% instead?