Difference between revisions of "2016 AMC 10B Problems/Problem 4"
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Zoey read <math>15</math> books, one at a time. The first book took her <math>1</math> day to read, the second book took her <math>2</math> days to read, the third book took her <math>3</math> days to read, and so on, with each book taking her <math>1</math> 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 <math>15</math>th book? | Zoey read <math>15</math> books, one at a time. The first book took her <math>1</math> day to read, the second book took her <math>2</math> days to read, the third book took her <math>3</math> days to read, and so on, with each book taking her <math>1</math> 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 <math>15</math>th book? | ||
<math>\textbf{(A)}\ Sunday\qquad\textbf{(B)}\ Monday\qquad\textbf{(C)}\ Wednesday\qquad\textbf{(D)}\ Friday\qquad\textbf{(E)}\ Saturday</math> | <math>\textbf{(A)}\ Sunday\qquad\textbf{(B)}\ Monday\qquad\textbf{(C)}\ Wednesday\qquad\textbf{(D)}\ Friday\qquad\textbf{(E)}\ Saturday</math> | ||
Revision as of 08:22, 21 February 2016
Problem
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?
