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7 September, 18:19

At an electronics store, a $165 television is marked up 110%. Dave purchases the TV and must pay 6.5% sales tax. What is his final cost of the television? Show and explain all of your work

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  1. 7 September, 19:51
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    Firstly, we need to know the price of the TV after the 110$ increase.

    $165 x 1.10 = $181.50

    [This is an increase of $16.50]

    [1.10 is the equivalent of 110%. 1 being 100% and the. 10 being 10%]

    Now for the sales tax. We apply a similar method.

    $181.50 x 0.065 = $11.79

    6.5% of $181.50 is $11.79, so we add the two together to find the final cost.

    The final cost of the TV is $193.29
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