If a : b = 4 : 1, then find (a - 3b)/(2a - b). – McqOptions

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1.	If a : b = 4 : 1, then find (a - 3b)/(2a - b).
A.	2/7
B.	1/7
C.	3/7
D.	5/7
Answer» C. 3/7

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