The problem description says x% discounted price, not x% off.

所有跟帖: 

and also use the "at" (at 20-70%), not off. -czhz- 给 czhz 发送悄悄话 (0 bytes) () 08/11/2019 postreply 20:02:02

请您先登陆,再发跟帖!