SOLUTION: Write a rule to find the total cost C(a) for all the books a person buys through book express. Let a represent the number of additional books bought ( after the first 6 books).

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Question 189596This question is from textbook integrated algebra
: Write a rule to find the total cost C(a) for all the books a person buys through book express. Let a represent the number of additional books bought ( after the first 6 books). This question is from textbook integrated algebra

Answer by feliz1965(151) About Me  (Show Source):
You can put this solution on YOUR website!
C(a) is the total cost for all the books.
Let a = additional books purchased.
We know that 6 were purchased first.
C(a) = a + 6
Each time you select a different positive number for x, you will get the total cost for all books.