Inactive Tutor answered • 03/21/13
Tutor
New to Wyzant
9/10X = 18 -> (EXPANDING) 9/10X = 18/1 -> (BY CROSS-MULTIPLICATION) 18*10X = 1*9 -> 180X = 9
Therefore, X = 9/180, WHICH SHOULD BE ANSWERED AS 1/20
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