<h3><u>
Answer:</u></h3>
Hence, the inequality that will represent the marks he needs is:
4x+8y≥50
<h3><u>
Step-by-step explanation:</u></h3>
On a final exam, each multiple-choice question is worth 4 points and each word problem is worth 8 points.
Lorenzo needs at least 50 points on the final to earn a "B" in the class.
Let x be the number of correct multiple-choice questions, and y, the number of correct word problems.
Hence, the inequality that will represent the marks he needs is:
4x+8y≥50