Steve has the following scores on the exams for the semester: 89, 92, and 87. What will Steve need to make on the fourth exam to have a final average of an “A” (a 92 or better)? Use the Equation Editor to write your answer as an inequality.Answer

Question

Steve has the following scores on the exams for the semester: 89, 92, and 87.  What will Steve need to make on the fourth exam to have a final average of an “A” (a 92 or better)?  Use the Equation Editor to write your answer as an inequality.Answer

anonymous · Answer

$$(89 + 92 + 87 + m)\div 4 \ge 92$$ 
so
$$m \ge 100$$

anonymous · Answer

(89+92+87+x)/4=92
89+92+87+x =368
368-268=x=100