Answer:
11/40
Step-by-step explanation:
Proper subset of a set is a subset of that is not equal to. all elements of are in but contains at least one element that is not it
example : if A = { 1,3,5} then B = {1,5} is a proper subset ofz
If X = 23, the. 23 - 6 = 17.
38*75 = 2850 that is the answer