Q. What was the original price of a microwave whose sale price is $17?$____
Calculate Original Price: Calculate the original price of the microwave assuming a typical sale discount of 20%.Original Price = Sale Price / (1−Discount Rate)= $17 / (1−0.2)= $17 / 0.8= $21.25
Check Calculation: Check if the calculation is correct by applying the discount to the original price to see if it matches the sale price.Sale Price Check = Original Price * 1−Discount Rate= $21.25×0.8= $17
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