SOLUTION: Q bisects line PR, PQ=3Y, and PR=42. Find y and QR. Please help me with this problem.

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Question 640591: Q bisects line PR, PQ=3Y, and PR=42. Find y and QR.
Please help me with this problem.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If PR is 42, then both PQ and QR have to be 21 by definition of midpoint. To find , solve

John

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