Concept explainers
To express: the sum of age of Claire and Bob in terms of b and c .
Answer to Problem 13OE
The expression is
Explanation of Solution
Given information:
Formula used:
Age problem.
Step1. The problem asks for the Bob’s age and Claire’s age now.
Step2. Let b = the Bob’s age now.
Let c = the Claire’s age now.
Step3. Use the facts of the problem to write two equations.
Step4. Solve the equations.
Calculation:
Consider ,
Let b = the Bob’s age now.
Let c = the Claire’s age now.
Age | Now | 4 years |
Bob | ||
Claire |
Therefore,
Hence, the expression is
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
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