Respuesta :
Winston needs at least 80 signatures. Let [tex] y [/tex] be the number of signatures Winston manages to obtain. Then [tex] y>80 [/tex].
He and 2 of his friends obtain [tex] x [/tex] number of signatures.
Then [tex] y=3x+23 [/tex].
Or, the required inequality is
[tex] 3x+23>80 [/tex]
Correct choice is (C).