If x - y : y - z : z - k = 2 : 3 : 5, then what is the value of z : (x – McqOptions

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1.	If x - y : y - z : z - k = 2 : 3 : 5, then what is the value of z : (x + k)?
A.	1 : 2
B.	2 : 1
C.	1 : 3
D.	1 : 4
Answer» B. 2 : 1

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