If\[\text{a : b = 3 : 5}\], find the ratio of \[\text{a-b : a+b}\].

1.	If\[\text{a : b = 3 : 5}\], find the ratio of \[\text{a-b : a+b}\].
A.	\[\frac{-1}{4}\]
B.	\[\frac{1}{4}\]
C.	-4
D.	4
Answer» B. \[\frac{1}{4}\]

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If\[\text{a : b = 3 : 5}\], find the ratio of \[\text{a-b : a+b}\].

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