Answer:
x = -36
Step-by-step explanation:
3/10 = 30%
30% of students bring their lunch.
3(x-3) = -3x + 39
3x - 9 = -3x + 39
3x + 3x = 39 + 9
6x = 48
x = 48/6
x = 8
In short, Your Answer would be Option C) 8
Hope this helps!
Answer:
0-0=0
(You didn't attach anyting)
Step-by-step explanation: