[kiã¡âºâ¿n tã¡âºâ¡o nã¡â» n giã¡âºâ£i trãƒâ tã†â°ã†â¡ng lai] [%A4%AD%A4礦%A4%CE%C1%CF%C0%ED %CD%C1%BE%AE%A1%A1%A4%AA%BAäߟ%86%A4%AD] [ch%A8%A2nh] [Hoa C��c V��ng B��nh Anh] [odis Geko Account] [coiffeur erstfeld] [A skier is trying to decide whether or not to buy a season ski pass. A daily pass costs $80. A season ski pass costs $300. The skier would have to rent skis with either pass for $20 per day. How many days would the skier have to go skiing in order to make the season pass less expensive than the d] [thuy?t?ng] [TOÁN NÂNG CAO 11] [cạnh tranh]