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A t-shirt is in the sale section of a store. It has 20% off and the new sale price is £12. What was the original price of the t-shirt?

Original Price x Percentage Multiplier = New Price

Percentage Multiplier = (100-20)/100 = 0.8

OP x 0.8 = £12

OP = £12/0.8 = £15

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