1.- Transformar una fracción mixta a fracción impropia: (3 puntos) Fracción mixta fracción impropia
3

6 =
7

6
2 =
9

2
11 =

Volume is length times width times height so
20 times 8 times 30 which is 4,800
surface area is ph (p is perimeter of base), h is height.
so perimeter would be length+length+width+width so 20+20+8+8 which is 56. so multiply 56 times 30 which is 1680. hope this !