# Evaluating expressions with variables word problems

Practice plugging in values to evaluate real-world algebraic expressions. These are introductory problems, so the expressions aren't too complicated.
You might need: Calculator

### Problem

The expression 1, point, 08, s, plus, 1, point, 02, b predicts the end-of-year value of a financial portfolio where s is the value of stocks and b is the value of bonds in the portfolio at the beginning of the year.
What is the predicted end-of-year value of a portfolio that begins the year with dollar sign, 200 in stocks and dollar sign, 100 in bonds?
dollar sign