Concept explainers
a.
Towrite the equation to represent the total monthly cost of given plans.
a.
Answer to Problem 12CYU
Explanation of Solution
Given information :
Let cost per song be x and y be the total cost.
Hence the equation for cost of Ace is,
Now the equation for Orange tunes is,
Here we can observe that there is only subscription fee and we get the limit of 40 songs.
Hence total cost will be $50.
Hence
b.
To graph the equations.
b.
Explanation of Solution
Given information :
Blue line is for Orange Tunes
Red line is for Ace.
c.
To determine which plan is better with given conditions.
c.
Answer to Problem 12CYU
She should change here plan as Orange Tunes shall cost her less.
Explanation of Solution
Given information :
Kameko download 15 songs.
Total cost for Ace plan for 15 songs is,
Total cost for Orange Tunes is $10.
Hence she should change here plan as Orange Tunes shall cost her less.
Chapter 3 Solutions
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