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17 Jul 2010, 11:18
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
88% (01:41) correct
12%
(02:27)
wrong
based on 615
sessions
History
Date
Time
Result
Not Attempted Yet
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?
1. $15,600
2. $15,750
3. $16,820
4. $18,100
5. $19,200
1. $15,600
2. $15,750
3. $16,820
4. $18,100
5. $19,200
17 Jul 2010, 16:33
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EnterMatrix
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?
1. $15,600
2. $15,750
3. $16,820
4. $18,100
5. $19,200
1. $15,600
2. $15,750
3. $16,820
4. $18,100
5. $19,200
Edited the question as there was a typo.
Range = Highest Value - Lowest Value.
Range in May was 15,000 and the lowest price in May was 4,500, thus the highest price in May was 15,000+4,500=19,500.
Range in June was 16,500 and the lowest price in June was 6,100, thus the highest price in June was 16,500+6,100=22,600.
Lowest price of a car in May-June was 4,500 (May) and the highest price of a car in May-June was 22,600, thus the range for May-June is 22,600-4,500=18,100.
Answer: D.
General Discussion
18 Jul 2010, 02:17
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Cool...that works!
