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Mathematics, 02.03.2021 23:10 dakulrzz3

A $649 laptop computer cost $519.20 after a coupon is applied. What percentage off is the coupon? A $78.00 pair of shoes cost $84.63 after tax is added. What is the tax rate?

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A $649 laptop computer cost $519.20 after a coupon is applied. What percentage off is the coupon? A...
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