The letter is c because you divide 40 by 5 = 8
Answer:
the first one first the second second and the last last
Step-by-step explanation:
2 1/5 + 22/5 = 4 2/5
9 2/5 + (-5 3/5)= 4 1/5
-8 2/5+9 1/5=1/15
The number of permutations of the 4 different digits is:

The answer is 24 ways.