**Freight charges of a certain courier company are as follows: $40 for the first 2 pounds $15 for each of the succeeding pound weight of parcels. At this rate, what amount would be charged on a package which weighs 30 pounds?**- A. $450
- B. $460
- C. $640
- D. $600

**6. If 5/6 < x and x < 7/4 then x could be ____.**- A. 1/2
- B. 3/2
- C. 2/3
- D. 2

**7. If a square’s each side is increased by x units, then, after that, its perimeter is increased by how many units?**- A. 2x
- B. X
- C. 8x
- D. 4x