Answer:
(6 + 3/n) -8
Step-by-step explanation:
Number of proper subsets = 2^number of elements- 1
= 2^n - 1
No of elements = 4
2^4-1 = 16-1 = 15
Using remainder theorem, we get:

Substitute t = 5 into the equation:


Thus, we get a remainder of 93 or (A)
Answer:
The unit rate of 297 words for 5.5 minutes is, 54 words per minutes
hope this helps :-)