Charlene lives in wyoming and pays 4% in sales tax. she bought a garbage disposal, and the amount she paid after sales tax was applied was $818.42. what was the approximate cost of the garbage disposal before sales tax was applied?

 $ 786.94

Step-by-step explanation:

Given: The tax percentage = 4%=0.04

The amount she paid after sales tax was applied = $818.42.

Let x be the cost of the garbage disposal before sales tax was applied.

Then , the tax amount will be :-

Then the total cost of  garbage disposal after tax will be :-

Hence, the approximate cost of the garbage disposal before sales tax was applied= $ 786.94

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step-by-step explanation: