Your Grandfather Likes to Tell the Story About How He

Multiple Choice

Your grandfather likes to tell the story about how he started his ranch with 100 head of cattle and grew the ranch to 2,500 head of cattle.He said "My plan was simple: grow the number of head of cattle at a rate of 10% per year." Your grandfather reached his goal before he retired.How long did it take him?

A) 38.63 years
B) 33.77 years
C) 31.43 years
D) 27.65 years