Increasing and Decreasing
- Created by: Alex17
- Created on: 13-12-13 21:30
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Example 1
Katie earns £40 per week for her part-time job. She is to be given a 5% pay rise.
How much will she earn per week after the pay rise?
5% of £40 = 5 100 × £40 = £2 New pay : £40 + £2 = £42
Example 2
The prices of all the televisions in a shop are to be increased by 8%.
Calculate the new price of a television that originally cost £150.
8% of £150 = 8 100 × £150 = £12 New price : £150 + £12 = £162
Example 3
In a sale the cost of a computer is reduced by 30%. The normal price of the computer was £900.
Calculate the sale price of the computer.
30% of £900 =…
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