A.4.16.1 Shopping for Cookbooks

Lin is comparing the cost of buying cookbooks at different online stores.[br]Store A sells them at $9 each and offers free shipping.[br]Store B sells them at $9 each and charges $5 for shipping.[br]Store C sells them at dollars and charges $5 for shipping.[br]Store D sells them at dollars and charges [i]f[/i] dollars for shipping.[br][br]1. Write an equation to represent the total cost, [i][b]T[/b][/i], in dollars as a function of [i][b]n[/b][/i] cookbooks bought at each store.
2. Write an equation to find the number of books, [i][b]n[/b][/i], that Lin could buy if she spent [i][b]T[/b][/i] dollars at each store.
What happened with the output and inputs from question 1 and 2?
Fermer
– Katie Akesson

Information: A.4.16.1 Shopping for Cookbooks