To solve: the system of equations in two variables.
Answer to Problem 21P
The Brooklyn Bridge was built in
The Golden Gate Bridge was built in
Explanation of Solution
Given information:
The Golden Gate Bridge was completed 54 years after Brooklyn Bridge was. In 1983, The Golden Gate Bridge was
Formula used:
Age problem.
Step1. The problem asks for the Bob’s age and Claire’s age now.
Step2. Let b = the Brooklyn Bridge’s age .
Let c = the Golden Gate Bridge‘s age .
Step3. Use the facts of the problem to write two equations.
Step4. Solve the equations.
Calculation:
Consider ,
Let b = the Brooklyn Bridge’s age .
Let c = the Golden Gate Bridge’s age .
According to the equation,
Also,
Equating equation (i) in (ii)
Hence, the Brooklyn Bridge was built in
The Golden Gate Bridge was built in
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
Additional Math Textbook Solutions
Elementary Algebra: Concepts and Applications (10th Edition)
Intermediate Algebra for College Students (7th Edition)
College Algebra (5th Edition)
Algebra and Trigonometry (6th Edition)
College Algebra in Context with Applications for the Managerial, Life, and Social Sciences (5th Edition)
Intermediate Algebra (7th Edition)
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education