Algebra-1

Question Analysis
This question tests the student's ability to translate a real-world scenario into an algebraic equation. The key is to identify the relationship between the cost of apples and bananas.

Key Concept Explanation
An equation is a statement that two expressions are equal. In this case, the cost of x apples is equated to the cost of 3 bananas plus an additional $2.50.

Step-by-step Solution
1. Identify the variables: a for the cost of one apple and b for the cost of one banana.
2. Tran...