If x= 7/9 then which one of the following is not greater than x
(a) ( x-2 ) / ( x-1 ) (b) ( x+1 ) / ( x-1 ) c) 1/x d) (x+1)/x (e) none

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?