Find the volume given the right side is the base

add them up and you will get the awnser

The inequality shows that there x makes up the 10-point scores, and y makes up the 20-point scores. To know which of the choices cannot be true, we can analyze each choice:

A. It is not possible to have a fraction of a score, so this must be true.
B. They must be positive numbers. 
C. Similar to B, they must be positive numbers.
D. Even with a value less than 5, the inequality can be met. 

Therefore, the correct answer is D.