Answer:
1/4
Step-by-step explanation:
well she took 3/8 of the casserole and then 2/3 of 3/8 would be 1/4 meaning she ate .25 of the cassrole
Let the number be x.
3x - 6 = 2x
x - 6 = 0
x = 6
your answer would be 3827160510