vivien cheng

85 x 20 = 1700 (average of 85 with 20 ratings) 75 x 10 = 750 (already have 10 ratings of 75) 100 x 9 = 900 (9 remaining ratings) 1700 - 750 - 900 = 50

1. Comunidade
2. Study Group
3. An SAT practice test question that needs explanation