If 18$2 = 10, 8$4 = 6 and 12$18 = 15, then find the value of 7$9 = ?_x – McqOptions

MCQOPTIONS

1.	If 18$2 = 10, 8$4 = 6 and 12$18 = 15, then find the value of 7$9 = ?_x005F_x000D_
A.	12_x005F_x000D_
B.	20
C.	8
D.	18
Answer» D. 18

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