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elena55 [62]
3 years ago
6

Please help with this question from Khan Academy!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Vladimir79 [104]3 years ago
5 0

Answer:

B = 42

Step-by-step explanation:

B × 2/7 = A

A ÷ 2/7 = B

12 ÷ 2/7 = B

B = 42

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