To find the number of bagels Sherri still needs to sell, we start with the total bagels needed to make a profit, which is 450. She has already sold 75 bagels, so to find the number of bagels she still needs to sell (b), we can set up the following inequality:
\[ 75 + b \geq 450 \]
To isolate \(b\), we subtract 75 from both sides:
\[ b \geq 450 - 75 \] \[ b \geq 375 \]
Thus, the correct inequality showing the number of bagels Sherri still needs to sell is:
b >= 375