SOLUTION: <-X-------Y---------Z-> L If points X and Y are placed to the left of point Z on line L such that 2YZ=5XY, what is XY/XZ=? a.7/2 b.5/2 c.2/5 d.2/7 e. It cannot be determine

Question 907699: <-X-------Y---------Z-> L
If points X and Y are placed to the left of point Z on line L such that 2YZ=5XY, what is XY/XZ=?
a.7/2
b.5/2
c.2/5
d.2/7
e. It cannot be determined from the information given.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
2YZ = 5XY

YZ = 5XY/2
-------------------------------------------------------

XY/XZ = XY/(XY + YZ)

XY/XZ = XY/(XY + 5XY/2)

XY/XZ = 2XY/(2XY + 5XY)

XY/XZ = 2XY/(7XY)

XY/XZ = 2/7

So the answer is Choice D) 2/7
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