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*}
(p,q,r) = (24/5, 12/5, 6/5). Hope this helps!
That's wrong. Please someone give me the correct answer.
https://www.youtube.com/watch?v=UcYbFN49uGc
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
