Kira attempts to write the word divisibility in cursive, but she mistakenly writes one of the letters incorrectly. What is the probability that Kira wrote a letter i incorrectly? Assume each letter of the alphabet is equally difficult to write.
A. 5/12

B. 6/15

C. 1/2

D. 1/6

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.