$109 − $100.28 = $8.72 $109 $8.72 = 109 8.72 ⋅ 100% = 109 872 % = 8% ← an s w er
To find the discount rate of a watch originally priced at $109 and sold for $100.28, we first calculate the discount amount as $8.72. Then, we find the discount rate by dividing the discount amount by the original price, resulting in an approximate discount rate of 8%.
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