Chapter 10: Problem 13
The positive difference between Sam and Lucy's ages is \(a\), and the sum of their ages is \(z\). If Lucy is older than Sam, then which of the following represents Lucy's age? A. $$\frac{z-a}{2}$$ B. $$a-\frac{z}{2}$$ C. $$2 a+z$$ D. $$\frac{z+a}{2}$$ E. $$\frac{a-z}{2}$$
Short Answer
Step by step solution
Key Concepts
These are the key concepts you need to understand to accurately answer the question.