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In May, Xiang sold 15 used cars. For these 15 cars, the range of the selling price was $15,000 and the...

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In May, Xiang sold 15 used cars. For these 15 cars, the range of the selling price was $15,000 and the lowest selling price was $4,500. In June, Xiang sold 10 used cars. For these 10 cars, the range of the selling prices was $16,500 and the lowest selling price was $6,100. What was the range of the selling prices of the 25 used cars sold by Xiang in May and June?

A. $15,600
B. $15,750
C. $16,820
D. $18,100
E. $19,200

OA D
Source: — Problem Solving |

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GMAT Prep

In May, Xiang sold 15 used cars. For these 15 cars, the range of the selling price was $15,000 and the lowest selling price was $4,500. In June, Xiang sold 10 used cars. For these 10 cars, the range of the selling prices was $16,500 and the lowest selling price was $6,100. What was the range of the selling prices of the 25 used cars sold by Xiang in May and June?

A. $15,600
B. $15,750
C. $16,820
D. $18,100
E. $19,200

OA D
Solution:

The highest selling price of the cars sold in May was 4,500 + 15,000 = $19,500, and the highest selling price of the cars sold in June was 6,100 + 16,500 = $22,600. Therefore, the highest selling price of the cars sold in these two months was $22,600. Since the lowest selling price of the cars sold in the same two months was $4,500, the range was 22,600 - 4,500 = $18,100.

Answer: D

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