Amanda has $40 to spend on flowers. She wants to
buy a pair of red rose flowers for $18 and spend
the rest on lily flowers. Each lily flower costs $11. Write an inequality for the number of lily flowers she can purchase.

A- 11x + 18 is greater than 40
B- 11x + 18 is less than 40
C- 11x + 18 is less than or equal to 40
D- 11x + 18 is greater than or equal to 40