Answer:
14x. ....................
2/3
4/3-one books, 2 nights
6/3-2 books, 3 nights
8/3
10/3-3 books, 5 nights
12/3=4 books in 6 nighs
Combine like terms
10/7k + 2/7k = 12/7k - 2k = 12/7k - 14/7k = -2/7k
11/7 + 2/7 - 6 = 13/7 - 42/7 = -29/7
-2/7k - 29/7 should be your answer
hope this helps
I am prertty sure it is the third opption. if not then I think you are right about the one you already chose. Super sorry if wrong
Answer:
if my calculations are correct the answer is -68