GWD－17－13好像AB加起来无解的啊，为什么答案是C呢？

Juan bought some paperback books that cost $8 each and some hardcover books that cost $25 each.  If Juan bought more than 10 paperback books, how many hardcover books did he buy?

(1)
              The total cost of the hardcover books that Juan bought was at least $150.

(2)
              The total cost of all the books that Juan bought was less than $260.

AB加起来：8P＋25H < 260，同时H>=6, P>10，如果H>＝6，那么解出的唯一可能是H=12，P=10，但是和P>10的条件矛盾啊，为什么是C呢？

难道more than是指大于等于？好像不是吧

像LZ说的：AB加起来：8P＋25H < 260，同时H>=6, P>10

这样P就至少要11本，把P=11代入不等式得 25H<172

又因为H〉=6，所以得150=<25H<172

可以得出6=<H<6.88。

这样H就只能是6了