How did you two gals get 19?
Simplify the following: 7+10+11-4-7-9+9 7+10+11-4-7-9+9 = (7+10+11+9)-(4+7+9): (7+10+11+9)-(4+7+9) | 1 | | 1 | 1 | 1 | 0 | | 9 + | | 7 | 3 | 7: 37-(4+7+9) 4+7 = 11: 37-(11+9) | 1 | | 1 | 1 + | | 9 | 2 | 0: 37-20 | 3 | 7 - | 2 | 0 | 1 | 7: Answer: | | 17