Question

How many integers d will satisfy the inequality 2<3D-4<11

Answer 1

2 <3d - 4 < 11.
Add 4 to the left, middle and the right side:

2 +4 <3d - 4 + 4< 11.+4
 6 < 3d< 15. Now divide all sides by 3:

2 < d < 5. Only d = 3 or d = 4 satisfy this inequality (answer G)