A student is ordering a flower arrangement. She can choose any combination of roses and carnations for her flower arrangement, and she does not want to spend more than $30. If roses cost $3 each and carnations cost $2 each, which inequality represents all possible combinations of x roses and y carnations?
A 3x + 2y < 30
B 3x + 2y ≤ 30
C 2x + 3y > 30
D 2x + 3y ≤ 30
Answer:D
A student is ordering a flower arrangement. She can choose any combination of roses and carnations for her flower arrangement, and she does not want to spend more than $30. If roses cost $3 each and carnations cost $2 each, which inequality represents all possible combinations of x roses and y carnations?
A 3x + 2y < 30 B 3x + 2y ≤ 30 C 2x + 3y > 30 D 2x + 3y ≤ 30