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18-05-2021
Mathematics

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The price of a computer was decreased by 10% to £540. What was the price before the decrease?

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augustinmanifest5432 augustinmanifest5432

18-05-2021

Answer:

let x=the price of the computer

90x/100=£540

90x=£540×100

90x=£54000

divide both sides by 90

90x/90=£54000/90

x=600

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