Question

I need a bit of help I don't really get the question

Answer 1

Answer:

$8p + 5c = p \\ 5c = p - 8p \\ 5c = - 7p \\ \frac{5c}{5} = \frac{ - 7p}{5} \\ \\ c = - \frac{7}{5} p$

therefore:

${ \boxed{ \boxed{c = - 1 \frac{2}{5} \: p}}}$