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Anonymous
Did you mean: 11 bu 7 ph - 6 by 9 pk
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6/7 × 7/11 = (6×7)/(11×11) = 42/121
The mean of 6, 7, and 11 is 8
Average = (4 + 6 + 11)/3 = 21/3 = 7
42/66=42/6=7 66/6=11 =7/11
7/6 = 11/6