anonymous
  • anonymous
M is the midpoint of the line joining P and Q. R lies on PQ produced, such that PR = 3PQ . Find PM : PR .
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Shayaan_Mustafa
  • Shayaan_Mustafa
write PR=3PQ as ratio i.e. PR:PQ=3:1 got it?
anonymous
  • anonymous
The answer is 1:6
anonymous
  • anonymous
I need an explanation on how to solve it...

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Shayaan_Mustafa
  • Shayaan_Mustafa
have you drawn the pic?
anonymous
  • anonymous
Okay no. Sorry, I'm new here. I've been trying to do it mentally. I saw this question here and there was also an answer, but I don't understand the solution. Should I post the solution given previously?
anonymous
  • anonymous
I hit 'ask for an explanation'
Shayaan_Mustafa
  • Shayaan_Mustafa
yes. give the link.
anonymous
  • anonymous
Ok stand by
anonymous
  • anonymous
Not sure if abandoned...
anonymous
  • anonymous
Ah. there you are.
anonymous
  • anonymous
Okay then. So what does "R lies on PQ produced" imply?
Shayaan_Mustafa
  • Shayaan_Mustafa
look you need to find the solution of this question.? right.?
anonymous
  • anonymous
More like...I need to know how to form a solution.
anonymous
  • anonymous
Because the solution is this: let PM=a, then MQ=a.Let QR=b then PR=2a+b, 3Q=6a, so b=4a. Now PM:PR=a:2a+b=a:6a=1:6
anonymous
  • anonymous
I just can't quite grasp how to come to that conclusion. Am I being stupid?
anonymous
  • anonymous
Whoops, never mind. I got it. Thanks for trying to help.
Shayaan_Mustafa
  • Shayaan_Mustafa
are you sure?

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