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9 April, 06:59

A sweater is on sale for 20% off the original price, x. Which statement explains why x-0.2x and 0.8x can each find the sale price of the sweater?

A. A decrease of 2% is the same as multiplying by 80%.

B. A decrease of 20% is the same as multiplying by 80%.

C. An increase of 20% is the same as dividing by 80%.

D. An increase of 20% is the same as multiplying by 80%.

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  1. 9 April, 09:53
    0
    The correct answer is B: A decrease of 20% is the same as multiplying by 80% ... This means that paying 80% (0.8x) and paying the full price with 20% off (0.2x) is exactly the same thing.
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