SOLUTION: A man realizes he lost the detailed receipt from the store and only has the credit card receipt with the after-tax total. If the after-tax total was $408.12, and the tax rate in th

Question 1123022: A man realizes he lost the detailed receipt from the store and only has the credit card receipt with the after-tax total. If the after-tax total was $408.12, and the tax rate in the area is 7.4%, what was the pre-tax subtotal?
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.

For the pre-rax subtotal x you have this equation


    x + 0.074x = 408.12  dollars.


    x*(1 + 0.074) = 408.12


    1.074x = 408.12  ====>  x = .


Use your calculator.

Solved.

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    - Percentage problems
    - Percentage word problems (Type 1 problems, Finding the Part)
    - Percentage word problems (Type 2 problems, Finding the Rate)
    - Percentage word problems (Type 3 problems, Finding the Base)
    - More complicated percentage problems
    - Problems on percentage that lead to unexpected results
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