Question

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. which inequality represents x, the number of correct multiple-choice questions, and y, the number of correct word problems, he needs to earn a \b\?
○ $4x + 8y < 50$
○ $4x + 8y \leq 50$
○ $4x + 8y > 50$
○ $4x + 8y \geq 50$

Explanation:

Step1: Define total points

Total points = $4x + 8y$

Step2: Set "at least 50" condition

"At least" means $\geq$, so $4x + 8y \geq 50$

Answer:

D. $4x + 8y \geq 50$