Question

interpret the meaning of the algebraic expression in each problem.
2 andrew writes the algebraic expression 2s + 2.79 to represent the cost of his lunch. he bought 2 sandwiches and a large drink. identify any variables, coefficients, and terms in the expression. tell what each represents.

Explanation:

The expression models total lunch cost. Variables represent unknown prices; coefficients multiply variables to reflect quantity; constants are fixed costs.

Answer:

• Variable: $s$ represents the cost of one sandwich.
• Coefficient: $2$ (in $2s$) is the number of sandwiches bought.
• Constant term: $2.79$ represents the cost of the large drink.