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​​​Percentages: Quiz 6
You may use a calculator for all of the questions in this quiz.
 
Part A
Find the multiplier values for the following percentages.

​1) Increase by 20%
2) Increase by 40%
3) Increase by 92%
4) Increase by 18%
5) Increase by 3%
6) Increase by 0.5%
7) Decrease by 70%
8) Decrease by 39%
9) Decrease by 14%
10) Decrease by 2.3%
Part B
Give all of your answers for the questions below to one decimal place.
 
1) Increase 359 by 48%
2) Increase 1,843 by 92.5%
3) Decrease 35,982 by 22%
4) Decrease 14.32 by 42%
5) Increase 84 by 14.7%
6) Decrease 100,238.1 by 77.9%
7) Increase 872,231 by 2.5%
8) Decrease 62,812 by 0.03%
Part C
1) A coat costs £65. During a sale, the price of the coat decreases by 27%. What is the price of the coat in the sale?

2) I purchased a house 3 years ago for £196,800. Over the 3 years that I have owned the house, it has increased in value by 7.8%. What is the value of the house now?

3) A year ago, I purchased a car for £9,800. Since then, the car has decreased in value by 23.9%. What is the value of the car now?

4) I am looking to purchase a new laptop. Two shops are selling the laptop and they both have a sale.
  • The laptop at shop A has a normal price of £489 and there is 17% off.
  • The laptop at shop B has a normal price £515 and there is 21.2% off.
What shop has the lowest price for the laptop? Make sure that you show your working.