
a.
To describe: The system of inequalities that represent the different number of ways he can paint the structures.
a.

Answer to Problem 25PPS
The system of inequalities that represent the different number of ways he can paint the structuresis
Explanation of Solution
Given information:
He has 45 structures that needs to be painted. Per day cost of painting a shed is 2.5 and per day cost of painting a play house is 2. He has 20 days to paint as many structures as she can.
Calculation:
Consider the provided information thathe has 45 structures that needs to be painted. Per day cost of painting a shed is 2.5 and per day cost of painting a play house is 2. He has 20 days to paint as many structures as she can.
Let x denote the number of sheds painted and y denote the number of play houses painted.
The constraints are,
b.
To graph: The region that depicts the represent the different number of ways he can paint the structures.
b.

Explanation of Solution
Given information:
The system of inequalities that represent the different number of trays she can bake is
Graph:
Consider the provided information system of inequalities that represent the different number of ways he can paint the structures is
Plot the above inequalities on coordinate plane.
Interpretation:
The shaded region represents the feasible. It has 3 corner points. The coordinates of feasible region are
c.
To calculate:The number ofeach structure to be painted.
c.

Answer to Problem 25PPS
10 play houses and 0 sheds must be painted to have a profit.
Explanation of Solution
Given information:
He has 45 structures that needs to be painted. Per day cost of painting a shed is 2.5 and per day cost of painting a play house is 2. He has 20 days to paint as many structures as she can.
Calculation:
Consider the provided information thathe has 45 structures that needs to be painted. Per day cost of painting a shed is 2.5 and per day cost of painting a play house is 2. He has 20 days to paint as many structures as she can.
Let x denote the number of sheds painted and y denote the number of play houses painted.
The constraints are,
Since, he makes a profit of $26per shed and $30 per play house.
The objective function or profit function is,
The shaded region represents the feasible. It has 3 corner points. The coordinates of feasible region are
Substitute the vertices of the feasible region to find the point at which maximum profit is there.
Substitute
Substitute
Substitute
Thus, 10 play houses and 0 sheds must be painted to have a profit.
d.
To calculate:The maximum profit.
d.

Answer to Problem 25PPS
The maximum profit is
Explanation of Solution
Given information:
He has 45 structures that needs to be painted. Per day cost of painting a shed is 2.5 and per day cost of painting a play house is 2. He has 20 days to paint as many structures as she can.
Calculation:
Consider the provided information thathe has 45 structures that needs to be painted. Per day cost of painting a shed is 2.5 and per day cost of painting a play house is 2. He has 20 days to paint as many structures as she can.
Let x denote the number of sheds painted and y denote the number of play houses painted.
The constraints are,
Since, he makes a profit of $26 per shed and $30 per play house.
The objective function or profit function is,
The shaded region represents the feasible. It has 3 corner points. The coordinates of feasible region are
Substitute the vertices of the feasible region to find the point at which maximum profit is there.
Substitute
Substitute
Substitute
Thus, the maximum profit is
Chapter 3 Solutions
Algebra 2
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