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Find the ordered triple $(p,q,r)$ that satisfies the following system: \begin{align*} p-2q&=0\\ q-2r&=0\\ p+r&=5. \end{align*}

 Jul 27, 2021
 #1
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(p,q,r) = (24/5, 12/5, 6/5).  Hope this helps!

 Jul 27, 2021
 #2
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That's wrong. Please someone give me the correct answer.

 Jul 27, 2021
 #3
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+1

https://www.youtube.com/watch?v=UcYbFN49uGc

Guest Jul 27, 2021
 #4
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+1

p = 2q

q=2r   so    p=4r

 

p+r = 5   so  4r+r=5  so   5r=5  so      r=1

so

q=2

p=4

 Jul 27, 2021

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