36.8 divided by [11.5 - (2.5 * 3)] = 9.2
Answer:
30
Step-by-step explanation:
3:4=9:12-total students 21
3:4=12:16-total students 28
3:4=15:20-total students 35
Answer:
x=114
Step-by-step explanation:
-11=x/-6+8
-19=x/-6
x=114
Answer: A
Step-by-step explanation:

Answer:
[-1, 2]
Step-by-step explanation:
-8x+4 must be in the range from [-12, 12], so -8x must be in the range [-16, 8], so x must be in the range [-1, 2].