Concept explainers
(a)
To write and solve: a proportion for the number of cell phones with keyboards which are added in the store.
(a)
Answer to Problem 35PPS
5 cell phones are added to the store.
Explanation of Solution
Given:
Total cell phones = 120
45 have keyboards
40% of stock has keyboards
Calculation:
Let x should be added to the store’s inventory.
Conclusion:
Therefore, 5 cell phones are added to the store.
(b)
To find: the total number of cell phones in stock
(b)
Answer to Problem 35PPS
125 cellphones will be in the store
Explanation of Solution
Given:
Total cell phones = 120
45 have keyboards
40% of stock has keyboards
Calculation:
As there are 120 cell phones in the store, the number of phones added to the store is 5.
So,
125 will be the total number of cell phone in stock.
Conclusion:
Therefore, 125 cellphones will be in the store
Chapter 7 Solutions
Pre-Algebra Student Edition
Additional Math Textbook Solutions
Graphical Approach To College Algebra
College Algebra
Elementary Algebra: Concepts and Applications (10th Edition)
Linear Algebra and Its Applications (5th Edition)
College Algebra with Modeling & Visualization (6th Edition)
College Algebra (5th 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