A television is on sale for 20% off. If the sale price is $800, what was the original price?
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Detailed Explanation
If an item is discounted 20%, the sale price is 80% of the original price. Let p represent the original price.
Then $800 = 80% × p
Therefore, p = \(\frac{\mathrm{800}}{\mathrm{80\text{%}}}\)=\(\frac{\mathrm{800}}{\mathrm{0.80}}\)=$1,000.
Then $800 = 80% × p
Therefore, p = \(\frac{\mathrm{800}}{\mathrm{80\text{%}}}\)=\(\frac{\mathrm{800}}{\mathrm{0.80}}\)=$1,000.
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