Answer:
1) There are two definitions Charlotte came up with to define the quantity:
• Number of new subscribers divided by number of posts
• Number of new subscribers divided by number of words
2) No. The definitions have opposite results
In order to subtract fractions, you need the denominators (bottom number) to be the same.

.
Answer:
240
Step-by-step explanation:
V=width height length = 10 · 3 · 8 = 240
Hope this helped, have a wonderful day man!