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if sarah has three apples and gives two away, how many apples does she have?

i need to learn how to do this quick how many apples does this girl have

06/11/18

total percentage reduction

a shop has a sale that offers 20% off all prices, on the final day they reduce the prices by 25%, alex buys a hairdryer on the final day. work out the overall percentage reduction on the hairdryer

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