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canadian_beef
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Homework Statement
For triangle XYZ, point P divides XZ in the ratio 3:1 and Q is the midpoint of XY. If R is the point of intersection of PY and QZ, find the ratio into which R divides PY.
Homework Equations
This is the only equation that may pertain to this that I can think of.
For line segment APB, vector OP= b/(a+b) OA + a/(a+b) OB, where O is any point and and b are the ratios.
The Attempt at a Solution
I really need help, this is all i can come up with.
we are looking for PR:RY
RP=1/4 RX + 3/4 RZ
RQ=1/2 RX + 1/2 RY
and RP, RZ, RQ, AND RY are vectors
help please