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29 January, 09:37

A local electronics store raised its prices on headphones by 20%. The headphones that Stan wants to buy now cost $36. How much did the headphones cost before the price increase?

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  1. 29 January, 11:47
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    Let the price before the increase be x.

    Since there was 20% increase, the new price would be:

    (100% + 20%) = 120%

    120% x = 36

    (120/100) x = 36

    1.2x = 36

    x = 36/1.2

    x = 30.

    Price before the increase = $30.
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