To calculate Jessica's total monthly expenses, you can add up all of her individual expenses:
- Rent: $800
- Cellphone bill: $125
- Utility bill: $350
- Groceries: $350
- Transportation: $150
Now, let's add them together:
\[ 800 + 125 + 350 + 350 + 150 = 1775 \]
Jessica's total monthly expenses amount to $1,775.