The answer to Number 3 is B
-9y-9 simplification
-9y-9=0
-9y=9
y=-1
<span>If 75% of the students had taken 8 courses, 25% had not. Of these remaining 25%, 60% of them (or 60% of 25% = 15%) had taken 6 or 7 courses. Thus 90% (75% + 15%) of the students had taken 6, 7 or 8 courses.
Thus only 10% had taken less than 6 courses. I hope this helps.
</span>
$89.10 is the best guess.
Answer: 12m
Step-by-step explanation:
