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Find the ordered triple (p,q,r)

 

p - 2q = 0

q - 2r = 0

p + r = 8

 Aug 31, 2021
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Find C

 

Hello Guest!

 

\(p - 2q = 0\\ q - 2r = 0\\ p + r = 8 \)

 

\(p=2q=8-r\)

          \(q=2r\)

        \(\underline{2q=4r}\)

          \(0=8-5r\)

          \(r=\frac{8}{5}\)

\(q=2r=2\cdot \frac{8}{5}\)

\(q=3\frac{1}{5}\)

\(p+r=8\\ p=8-r=8-\frac{5}{8}\)

\(p=7\frac{3}{8}\)

\(The\ ordered\ triple\ (p,q,r)\ is\ \color{blue}(7\frac{3}{8},3\frac{1}{5},1\frac{3}{5})\)

laugh  !

 Aug 31, 2021
edited by asinus  Sep 1, 2021

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