39
12 + 23 + 45 + 67 + 16 + 18 + 45 = 226
29.75 or just round it to 30
41.71
Two examples to find the average of percentages: (45% + 34%) / 2 = 39.5 (23% + 26% + 45% + 24%) / 4 = 29.5
29.
Average = (45+26+39+450)/4 = 560/4 = 140.
121.25
39
12 + 23 + 45 + 67 + 16 + 18 + 45 = 226
29.75 or just round it to 30
41.71
45-39 = 6
32
Two examples to find the average of percentages: (45% + 34%) / 2 = 39.5 (23% + 26% + 45% + 24%) / 4 = 29.5
12 13 14 * * * * * 12 + 13 + 14 = 39, not 45. The correct answer is 14, 15 and 16.
Perimeter of garden: 39+45+39+45 = 168 feet