Concept explainers
(a)
To write: an equation to represent the situation.
(a)
Answer to Problem 27STP
The required equation is 6s + 60 = 180
Explanation of Solution
Given:
The mountain bike cost $180.
The saving amount is $60.
Calculation:
Consider the mountain bike cost $180.
The saving amount is $60.
The next 6 months saving amount (equally) is the total remaining amount for the bike cost.
The objective is to write an equation.
Let the amount be s.
Total cost of bike is $180.
Shelia has $60, so it is added to remaining amount.
For 6 months, amount becomes 6s,
Put all together,
Hence, the required equation is 6s + 60=180.
Conclusion:
Hence, the required equation is 6s + 60=180.
(b)
To find: the amount that she needs to save each month.
(b)
Answer to Problem 27STP
S needs to save each month $20
Explanation of Solution
Calculation:
The objective is to find the amount that S needs to save each month.
The saving amount for the month is s .
The equation is,
Hence, S needs to save $20 each month.
Conclusion:
Hence, S needs to save $20 each month.
Chapter 4 Solutions
Pre-Algebra, Student Edition
Additional Math Textbook Solutions
Elementary Algebra
College Algebra
College Algebra
Linear Algebra and Its Applications (5th Edition)
College 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