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4 February, 07:49

At a clothing store jackets are on sale for 30% off. Sales tax is 5%. Which expression will calculate the total cost of a jacket with an original price of x?

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  1. 4 February, 10:14
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    Step-by-step explanation:

    Let x represent the original price of the jacket.

    At a clothing store, jackets are on sale for 30% off. This means that x will be reduced by 30%. There is also

    Sales tax of 5%. This means that x would increase by 5%. The net change in price of the jacket in terms if percentage will be 30% - 5% = 25%.

    Therefore,

    The total cost of the jacket will be the original price - 25% of the original price. The expression becomes

    Let y represent the total cost

    y = x - 0.25x = 0.75x
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