a.
To find: Variables and System of inequalities of given situation.
a.
Answer to Problem 36PPS
Variables are
‘
‘
Inequalities are
Explanation of Solution
Given information:
They would like to sell at least 20 notebooks and 50 pens per week.
Goal of earning is at least $150 per week.
Cost of each notebook = $2.50
Cost of each pen = $1.25
Let ‘
Let ‘
From given information
They would like to sell at least 20 notebooks and 50 pens per week.
We get
Goal of earning is at least $150 per week
Cost of ‘
Equation-(1) and Equation-(2) and Equation-(3) represents system of inequalities of given situation.
b.
To find: Graph of this system.
b.
Explanation of Solution
Given information:
They would like to sell at least 20 notebooks and 50 pens per week.
Goal of earning is at least $150 per week.
Cost of each notebook = $2.50
Cost of each pen = $1.25
Inequalities are
Graph of given inequalities is
Here
Red colour represents
Blue colour represents
Green colour represents
Common region of Red colour, Blue colour and Green colour is the solution of above inequalities.
c.
To find: One possible solution.
c.
Answer to Problem 36PPS
Number of Notebooks =50
Number of Pens = 80
Explanation of Solution
Given information:
They would like to sell at least 20 notebooks and 50 pens per week.
Goal of earning is at least $150 per week.
Cost of each notebook = $2.50
Cost of each pen = $1.25
Red colour represents
Blue colour represents
Green colour represents
Common region of Red colour, Blue colour and Green colour is the solution of above inequalities.
As
So
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Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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