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Mathematics 13 Online
OpenStudy (anonymous):

Which number can replace the variable to make these fractions equivalent? n/7 = 54/42 A. 4 B. 6 C. 8 D. 9

OpenStudy (charlotte123):

the denominator is multiplied by 6, but since we r solving from the right to the left, we need to divide 54 by 6 :) which is 9 :D so 9/7 = 54/42 ^_^

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