
a.
To write an inequality equation.
a.

Answer to Problem 5.6.6P
Explanation of Solution
Given information:
Video cost $2.5 each
Song cost $1.25 each
K has $50 card.
Number of songs is 's'
Number of videos is 'v'
Calculation:
One video cost =2.5
One song cost=1.25
'v' videos cost=2.5v
's' songs cost=1.25s
According to question
Cost constraints:
b.
To graph the solution of inequality.
b.

Answer to Problem 5.6.6P
Explanation of Solution
Given information:
Calculation:
Rewrite
Slope intercept form
slope=-2
Means -2 unit change in y-coordinate with respect to 1 unit change in x-coordinate
Y-intercept: (0,40)
Ordinary equation
Substituting x=0
Then y=40
Substituting y=0
Then x=20
Table of x and y is given below
Then graph is given below
Region
Take a point below the line
Point (-10,10) is below line put in inequlity equation
On solving,
is true
Then graph of inequality is given below
c.
To write three combination of songs and videos using graph.
c.

Answer to Problem 5.6.6P
Three combinations of songs and videos
(20,0) , (10,20) , and (0,40)
Explanation of Solution
Given information:
Three combinations of songs and videos
(20,0) , (10,20) , and (0,40)
d.
To find money left in card.
d.

Answer to Problem 5.6.6P
When k download 13 songs and 13 videos
$1.25 left on card.
Explanation of Solution
Given information:
Video cost $2.5 each
Song cost $1.25 each
K has $50 card.
Number of songs is 's'
Number of videos is 'v'
Inequality equation
Calculation:
When k download 13 songs and 13 videos
Songs, s=13
Videos, v=13
Substituting values of s and v in the inequality equation
On solving,
On solving,
Money left=50-48.75=1.25
Hence, a $1.25 left on card.
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
Additional Math Textbook Solutions
A First Course in Probability (10th Edition)
University Calculus: Early Transcendentals (4th Edition)
Pre-Algebra Student Edition
Introductory Statistics
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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