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

Please help with this question from Khan Academy!!!!!!!!!!!!!!!!!!!!!!-example-1

1 Answer

5 votes

Answer:

B = 42

Explanation:

B × 2/7 = A

A ÷ 2/7 = B

12 ÷ 2/7 = B

B = 42

User Oleksandr G
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