Give the step-by-step reasoning process and then the final answer. Jean needs to buy 10 new pairs of pants. A store is running a sale for 20% off. If the pants normally retail for $45 each how much will she need to pay for all of them after paying a 10% tax?
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The discount is 45 * .2 = $9 off each pair. So she pays 45 - 9 = $36 each. So it will cost 36 * 10 = $360 before tax. The tax will add 360 * .1 = $36. So she has to pay 360 + 36 = $396.
The final answer: 396.
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