Answer:
Step-by-step explanation:
The answer would be 18 because if you put 3a+6a+a=180 (the degrees of a triangle) and solve it a becomes 18
I put in a graph and the equation
y<2x-5
y>-3x+1
-27 x -2 = 54
The answer would be the square root of 54
She would need to put 1 3/4 more cups in.