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12 April, 20:50

The original selling price of a single share of stock was d dollars. The selling price for a share of the same stock on a later date was represented by the expression 0.8 (1.25d). Which description could explain what happened to the price of the share of stocks? A. The price increased by 25% and then decreased by 20%. B. None C. The price increased by 1.35% and then decreased by 15%. D. The price increased by 135% and then decreased by 85%. E. The price increased by 35% and then decreased by 0.15%.

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  1. 12 April, 21:21
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    A

    Step-by-step explanation:

    The expression 1.25 d means 100% of the price + 25% of the price. This means it increased by 25%. Multiplying it by 0.8 means it's value is only 80% of the value now which means it must of had a 20% decrease after increasing. It's now at it's original price.
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