Answer:
x < 3
Step-by-step explanation:
5x+7x<36
12x<36
Divide both sides by 12
x<3
4i√5
C
14x4=56 and 26x2=52 so with process of elimination you get C
80 students
x - $42.15 > $20.00
+ $42.15 + $42.15
x > $62.15