Stephanie and her sister go bowling every weekend and have been keeping track of their wins for the last couple months. So far, Stephanie has won 8 out the total 18 games that they have played. if Stephanie wishes to have an 80% winning record, how many games in a row will Stephanie have to win, without losing?
Track each game the percentage
Track each game the percentage
- 8 out of 18 = 44.44%
- 9 out of 19 = 47.37%
- 10 out of 20 = 50%
- 11 out of 21 = 52.38%
- 12 out of 22 = 54.55%
- 13 out of 23 = 56.52%
- 14 out of 24 = 58.33%
- 15 out of 25 = 60%
- 16 out of 26 = 61.54%
- 17 out of 27 = 62.96%
- 18 out of 28 = 64.29%
- 19 out of 29 = 65.52%
- 20 out of 30 = 66.67%
- 21 out of 31 = 67.74%
- 22 out of 32 = 68.75%
- 23 out of 33 = 69.7%
- 24 out of 34 = 70.59%
- 25 out of 35 = 71.43%
- 26 out of 36 = 72.22%
- 27 out of 37 = 72.97%
- 28 out of 38 = 73.68%
- 29 out of 39 = 74.36%
- 30 out of 40 = 75%
- 31 out of 41 = 75.61%
- 32 out of 42 = 76.19%
- 33 out of 43 = 76.74%
- 34 out of 44 = 77.27%
- 35 out of 45 = 77.78%
- 36 out of 46 = 78.26%
- 37 out of 47 = 78.72%
- 38 out of 48 = 79.17%
- 39 out of 49 = 79.59%
- 40 out of 50 = 80%