Respuesta :

P=Q+20
or equivalently
P-Q=20

Edited 2018-03-18
Thank you Louli!

we know that

the equation to represent the relationship between P and Q is equal to

[tex]P=Q+20[/tex]

solve for Q

[tex]Q=P-20[/tex]

therefore

the answer is

[tex]P=Q+20[/tex] or [tex]Q=P-20[/tex]