She liked drinking out of the glass because it was something that reminded her of her grandmother and it was special to her. She tried to make a change but realized at the end, that it wasn't the same as quite before. The mug was sort of a memento from her grandmother.
Its quite simple.
2/3 of 2 is 2* 2/3
= 2*2/3
= 4/3 = 1 1/3 OR 1.33
The equation of a line that passes through the point (x1,y1) and has a slope of m is
y-y1=m(x-x1)
given
(3,1) and m=3
y-1=3(x-3)
y-1=3x-9
y=3x-8