If m : n = 3 : 2, then (4m + 5n) : (4n - 5n) is equal to = ? – McqOptions

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1.	If m : n = 3 : 2, then (4m + 5n) : (4n - 5n) is equal to = ?
A.	4 : 9
B.	9 : 4
C.	11 : 1
D.	9 : 1
Answer» B. 9 : 4

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