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

Algebra ->  Customizable Word Problem Solvers  -> Finance -> 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      Log On

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.