Algebra-1

Question Analysis
This question involves counting items with different wheel quantities. The main focus is on relating total items and total wheels.

Key Concept Explanation
Each bicycle has 2 wheels; each tricycle has 3 wheels. The system combines item count and wheel count.

Step-by-Step Solution
1. Let t = number of tricycles, b = number of bicycles.
2. Total toys: t + b = 15.
3. Total wheels: 3t + 2b = 40.
4. Solve the first equation for b: ...