Respuesta :

xeskimopie
f=8p
63=f+p

Use substitution. f is already isolated, so sub the equation 8p into 63=f+p for f.
63=8p+p
63=9p
Divide both sides by 9 to get
p=7
You now have the weight of the parakeet. Multiply 7 by 8 to get the weight of the fish.
f=56

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