If Carrie and Cory add on 18% tip to the bill after tax what does their lunch cost in total

Question

If Carrie and Cory add on 18% tip to the bill after tax what does their lunch cost in total

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Nevaeh 3 weeks 2021-09-25T12:48:07+00:00 1 Answer 0

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    2021-09-25T12:50:02+00:00

    Answer:

    The cost of total lunch is 1.18 y ( 1+ 0.0 x )

    Step-by-step explanation:

    Given as :

    The percentage of tip added tot he bill after tax = 18 %

    Let the tax added to the bill = x % of total the lunch price

    Let The total lunch cost = y

    So, The cost of the lunch after tax = y + x %  × y

    I.e The cost of lunch after tax = y × ( 1 +x % )

    Or. The bill of lunch after tax = y × ( 1 + 0.0 x )

    Now the cost of lunch after tax and tip =18 % of y × ( 1 + 0.0 x ) + y × ( 1 + 0.0 x )

    Or, the cost of lunch after tax and tip =  y × ( 1 + 0.0 x ) (0.18 + 1 )

    ∴ The cost of lunch after tax and tip =  y × ( 1 + 0.0 x ) × 1.18

    Hence The cost of total lunch is 1.18 y ( 1+ 0.0 x )  Answer

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