Mathematics, 17.12.2020 20:10, Gabby1493

28.An Amazon Echo originally costs $99.99. It is on sale for 10% off. Sales tax of 7.5% is then added to the sale price. What is the cost of the Echo on sale including tax? Round your answer to the nearest penny.

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28.An Amazon Echo originally costs $99.99. It is on sale for 10% off. Sales tax of 7.5% is then adde...