Answer:
45
Step-by-step explanation:
1/4 (72) = 18
1/7 (72) = 9
X is buttons for white
X=72 - (18+9)
X=72 - 27
X= 45
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Answers & Comments
Answer:
45
Step-by-step explanation:
1/4 (72) = 18
1/7 (72) = 9
X is buttons for white
X=72 - (18+9)
X=72 - 27
X= 45