Question

The most points Sidney has scored in a basketball game is 2 8. She is trying to tie that record in her current game.

Answer 1

the correct question in the attached figure

Let
r--------------> the number of points Sidney needs to score to tie her record
p------------->  scored  points

we know that
r+p=28
so
r=28-p

the answer is
the equation for the number of points Sidney needs to score to tie her record is
r=28-p