At 20 degree celsius temperature and 760 mm of Hg pressure volume of some quantity of air is 1000cc. At 750 mm of Hg pressure and at what temperature that quantity of air will have a volume 140 cc ? Please solve this sum guys.... Whoever will solve this sum I will follow him or her and will mark as Brainliest to his or her and will thank him or her.....Please please....​