3/4 of a cup from what you wrote. As you don't say that she needs milk for mac and cheese.
Answer:
24
Step-by-step explanation:
5x - y ÷ 8
Let x=5 and y=8
5(5) -8÷8
PEMDAS
multiply and divide from left to right
25 -8÷8
25 -1
Then add and subtract
24
1/3: doesn't have brown eyes
3/4: doesn't have blue eyes
1/3 x 3/4 = 1/4
So, 1/4 of the class has neither brown or blue eyes.
Hope it helped you!! Answer b goes to c in a triangle