16 pieces is the answer because, there is 12 in cues in one foot. So you take 12 and 8, multiply to get 96. Finally you need to divide by 6 and get 16
28a⁴b: 2 · 2 · 7 · a · a · a · a · b
16ab: 2 · 2 · 2 · 2 · a · b
GCF(28a⁴b, 16ab) = 4ab
The answer is A.
The answer should be 42 times.
