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27 January, 06:27

An appliance store reduced the price of a refrigerator by 20% and then raised the prices by 10% from the lower price. What was the original price of the refrigerator, if the price was $70.49?

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  1. 27 January, 06:54
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    Answer: $80

    Step-by-step explanation:

    Let the original price of the refrigerator be represented by y.

    We are told that an appliance store reduced the price of a refrigerator by 20%. This will be:

    = y - (20% of y)

    = y - (20/100 * y)

    = y - (0.2 * y)

    = y - 0.2y

    = 0.8y

    We are then told that the store then raised the prices by 10% from the lower price. This will be:

    = 0.8y + (10% of 0.8y)

    = 0.8y + (0.1 * 0.8y)

    = 0.8y + 0.08y

    = 0.88y

    Since we told that now the price was $70.49, this means that we have to find the value of y using the above expression. This will be:

    0.88y = $70.49

    y = $70.49/0.88

    y = $80.10

    y = $80 approximately

    The original price of the refrigerator is $80.
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