If M : N = 3 : 5 and M : O = 3 : 7, then what is (M + N) : (N + O)? – McqOptions

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1.	If M : N = 3 : 5 and M : O = 3 : 7, then what is (M + N) : (N + O)?
A.	5 : 4
B.	2 : 3
C.	6 : 5
D.	4 : 5
Answer» C. 6 : 5

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