Answer:
The maximum number of pizzas that Eileen can buy is [tex]5[/tex]
Step-by-step explanation:
Let
x------> the number of pizzas
we know that
The inequality that represent this situation is
[tex]9x\leq \$45[/tex]
solve for x
Divide by 9 both sides
[tex]x\leq 45/9[/tex]
[tex]x\leq 5\ pizzas[/tex]
therefore
The maximum number of pizzas that Eileen can buy is [tex]5[/tex]