T2 PS 127

[chiungfen]

127. 12731-!-item-!-187;#058&009562
In May, Xiang sold 15 used cars. For these 15 cars, the range of the selling prices 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

ANS: D

[whoisallan]

把2個最大值求出,
4個中最大的減最小的即可求出

[chiungfen]

感謝感謝~~~