I'm pretty sure it would be y=2x+9
Original position:
A-(-8,-4)
B-(-6,3)
C-(-3,7)
D-(-2,-2)
Translation:
A'-(-4,-4)
B'-(-2,3)
C'-(1,7)
D'-(2,-2)
Vertex C will be in quadrant 1 (+,+) after being translated 4 unites to the right.
1 pack of 12 will give 4 students their pencils. 20/4 = 5
X<20-5y (the whole expression divided by 3)