Concept explainers
(a)
Copy and complete the table.
(a)
Answer to Problem 45PPS
Explanation of Solution
Given:
Concept Used:
Copy and complete the table:
(b)
Find the total cost changes when the number of songs downloaded increases.
(b)
Answer to Problem 45PPS
As the number of songs downloaded increases by 2, the cost increases by 4.
Explanation of Solution
Given:
As the number of songs downloaded increases, how does the total cost change?
Concept Used:
As the number of songs downloaded increases by 2, the cost increases by 4.
(c)
Interpret the value of the total cost divided by the number of songs downloaded.
(c)
Answer to Problem 45PPS
The value of the total cost divided represents the cost per song. It costs $2 per song.
Explanation of Solution
Given:
Interpret the value of the total cost divided by the number of songs downloaded.
Concept Used:
The value of the total cost divided represents the cost per song. It costs $2 per song.
Thus, the value of the total cost divided represents the cost per song. It costs $2 per song.
Chapter 3 Solutions
Algebra 1
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