(a)
To write: an inequality that represents the number
(a)
Answer to Problem 4CA
The inequality is
Explanation of Solution
Given information:
Admission to a play costs $25. A season pass costs $180.
Calculation:
The total cost of attending
Since, the cost of a play is $25, so the cost of
Therefore, the inequality is
(b)
To find: the number of plays for which the season pass is not a better deal.
(b)
Answer to Problem 4CA
The numbers of plays are 0,1,2,3,4,5,6, and 7.
Explanation of Solution
Calculation:
For season pass not to be a better deal, the total cost of attending
Thus, the inequality is,
Solve the inequality for
If numbers of plays are less than 8 then the season pass is not a better deal.
Therefore, the numbers of plays are 0,1,2,3,4,5,6, and 7.
Chapter 2 Solutions
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