If x : y = 4 : 3 and y : z = 7 : 9, then what is x : z? – McqOptions

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1.	If x : y = 4 : 3 and y : z = 7 : 9, then what is x : z?
A.	4 : 9
B.	28 : 27
C.	15 : 17
D.	12 : 27
Answer» C. 15 : 17

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