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Problem-Solving and Data Analysis Difficulty: Medium

During the first month of sales, a company sold 1,300,000 units of a certain type of smartphone. During the same month, 15% of the units sold were returned. If sales and the return rate remain the same for each of the next 5 months, about how many units of this smartphone will be returned to the company during this 6-month period?

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Explanation

Choice C is correct. Of the 1,300,000 units sold during the first month, 15% were returned, so 1,300,000 times 0 point 1 5, equals 195,000 units were returned during the first month. If the units were sold and returned at the same rate for the next 5 months, then a total of 195,000 times 6, equals 1,170,000 smartphone units were returned during the 6-month period.

Choice A is incorrect. This is the number of units that were returned in 1 month. Choice B is incorrect. This is the number of units that were returned in 5 months. Choice D is incorrect. This is the number of units sold and not returned during the first 6 months.