romanlittlewood romanlittlewood

28-01-2019
Mathematics

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Work out the percentage change when a price of £1 is decreased to £0.90

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hrzlatevski hrzlatevski

28-01-2019

Answer:

10%

Step-by-step explanation:

(1=0.9+x)×100

x=100%-90%

x=10%

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