If x:y = 3:5 and y:z = 2:3, what is x:z?
A2:5
B3:5
C6:15
D6:5
Answer & Solution
Correct answer: A. 2:5
x/y = 3/5 and y/z = 2/3. Multiply: (x/y)(y/z) = x/z = (3/5)(2/3) = 6/15 = 2/5. So x:z = 2:5.
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