Paulina wrote the inequality x + 30 ≤ 150. Which situation is best represented by this inequality?
A. Out of Paulina’s class of 150 students, 30 students are girls and x students are boys.Out of Paulina’s class of 150 students, 30 students are girls and x students are boys.
B. Paulina earned $30 on Monday and x dollars on Tuesday for a total of at least $150.Paulina earned $30 on Monday and x dollars on Tuesday for a total of at least $150.
C. Paulina wants to spend at least $150 on a classified ad in the newspaper. She has saved $30 and must save x more dollars. Paulina wants to spend at least $150 on a classified ad in the newspaper. She has saved $30 and must save x more dollars.
D. Paulina does not spend more than 150 minutes on homework. She has spent 30 minutes on homework with x minutes remaining.