2016 AMC 10B Problems/Problem 4
Zoey read books, one at a time. The first book took her
day to read, the second book took her
days to read, the third book took her
days to read, and so on, with each book taking her
more day to read than the previous book. Zoey finished the first book on a monday, and the second on a Wednesday. On what day the week did she finish her
th book?