20% because you’d take 1/5 of 100 to find the percentage
The answer is 12. How did I get it?
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A B C
AC = 21 (the whole line adds up to 21)
AB = 9 (half of the line is 9)
BC = AC-AB
21- 9 = 12 so BC is 12
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Step-by-step explanation:
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do you need help still
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