There is a sales tax of $4 on an item that cost $54 before tax. The sales tax on a second item is $1

Discussion in 'Calculator Requests' started by math_celebrity, May 24, 2021.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    There is a sales tax of $4 on an item that cost $54 before tax. The sales tax on a second item is $14. How much does the second item cost before tax?

    Sales Tax on First Item = Tax Amount / Before Tax Sale Amount
    Sales Tax on First Item = 4/54
    Sales Tax on First Item = 0.07407407407

    For the second item, let the before tax sale amount be b. We have:
    0.07407407407b = 14

    To solve this equation for b, we type it in our search engine and we get:
    b = 189
     

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