Let S=score on the second exam, then (67+S+(S+7))/3=84 cross multiply 2S+74=252 2S=178 S=89 So second exam: 89 third exam=89+7=96 Check: (67+89+96)/3=84 ok.
so basically, It has helped create new businesses. It has shaped the character of the country. It has given us benefits that other countries do not have.
