Which number can replace the variable to make these fractions equivalent? n/9=56/63 A. 2 B. 7 C. 8 D. 9

asked Dec 11, 2015 169k views

0 votes

Which number can replace the variable to make these fractions equivalent?

n/9=56/63

A.
2

B.
7

C.
8

D.
9

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5 votes

$(n)/(9)=(56)/(63)\\ (n)/(9)=(8)/(9)\\ n=8$

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3 votes

$(n)/(9)=(56)/(63) \\\\ n=(9*56)/(63) \\\\ n=(56)/(7) \\\\ \boxed{n=8}\to the \ variant \ C$

Mojachiee answered Dec 18, 2015

8.1k points

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