Concept explainers
a.
To write an equation in standard form
a.
Answer to Problem 1CYU
Explanation of Solution
Given:
Money spent on dog kennel: $200
Charges for boarding per night: $40
Charges for walking per night: $5
Concept used:
Standard equation:
Calculation:
Let x be the number of nights for boarding and y be the number of nights for walking.
Given that the total money spent: $200
Conclusion:
Therefore, the equation in standard form is
b.
To graph the equation in subpart (a)
b.
Explanation of Solution
Given:
From subpart (a),
Calculation for graph:
x | 0 | 1 | 2 | 10 | 5 |
y | 40 | 32 | 24 | -40 | 0 |
Graph:
Plotting the calculated values of x and y .
Inference:
The equation in standard form is shown in the graph.
c.
To calculate the number of walks that could be bought
c.
Answer to Problem 1CYU
8
Explanation of Solution
Given:
Money spent on dog kennel: $200
Charges for boarding per night: $40
Charges for walking per night: $5
From subpart (a),
Given that the number of nights that the dog is boarded: 4
Calculation:
Let x be the number of nights for boarding and y be the number of nights for walking.
The total money spent: $200
Given that the number of nights that the dog is boarded: 4
Conclusion:
Therefore, the number of walks that can be bought is 8.
Chapter 4 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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