
Concept explainers
To Evaluate:the expression to find the total cost for an ad and make a table showing the cost

Answer to Problem 31PPS
The expression for the total cost of ad with 6 lines is
Number of lines | Expression | Evaluation | Cost ($) |
Explanation of Solution
Given:
Costs of placing an ad $8 plus $0.75 for each line
An ad has 6 lines
There are 6, 10, 14, and 18 lines in the ad.
Calculation:
The total number of lines is 6, then the total cost for these 6 lines will be $8 plus 6 times 0.75(as for each line $0.75 cost is added so for total 6 lines, the extra cost will be 6x 0,75)
Thus, the expression for the total cost of ad with 6 lines is
Now, evaluate this expression to find the total cost of ad with 6 lines is
Now, to evaluate this expression, follow the order of operations. According to it, first solve the bracket.
Now, perform the addition
Thus, the total cost of ad with 6 lines is $12.50.
Now make a table showing the cost for 6, 10, 14 and 18 lines.
The expressions for any number of lines will be like that for 6 lines except that will replace
6 by 10, 14 or 18 as required.
Number of lines | Expression | Evaluation | Cost ($) |
Conclusion:
Thus, the expression for the total cost of ad with 6 lines is
Chapter 1 Solutions
Pre-Algebra Student Edition
Additional Math Textbook Solutions
Algebra and Trigonometry (6th Edition)
Calculus: Early Transcendentals (2nd Edition)
A First Course in Probability (10th Edition)
Introductory Statistics
Elementary Statistics: Picturing the World (7th Edition)
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