Given:
Chelsea has a certain number of stickers.
Let C represent the number of stickers Chelsea has.
Brianna has seven fewer stickers than Chelsea. This means the Chelsea has 7 more stickers than Briana.
Let's find the expression that represents the number of stickers Brianna has.
Number of stickers Chelsea has = C
Number of stickers Brianna has = C - 7
Therefore, the expression that represents the number of stickers Brianna has is:
C - 7
ANSWER:
C - 7
