Difference between revisions of "2002 AMC 8 Problems/Problem 5"

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==Problem==
 
Carlos Montado was born on Saturday, November 9, 2002. On what day of the week will Carlos be 706 days old?  
 
Carlos Montado was born on Saturday, November 9, 2002. On what day of the week will Carlos be 706 days old?  
  
 
<math> \text{(A)}\ \text{Monday}\qquad\text{(B)}\ \text{Wednesday}\qquad\text{(C)}\ \text{Friday}\qquad\text{(D)}\ \text{Saturday}\qquad\text{(E)}\ \text{Sunday} </math>
 
<math> \text{(A)}\ \text{Monday}\qquad\text{(B)}\ \text{Wednesday}\qquad\text{(C)}\ \text{Friday}\qquad\text{(D)}\ \text{Saturday}\qquad\text{(E)}\ \text{Sunday} </math>
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==Solution==
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Days of the week have a cycle that repeats every <math>7</math> days.  Thus, after <math>100</math> cycles, or <math>700</math> days, it will be Saturday again.  Six more days will make it <math>\text{Friday} \rightarrow \boxed{C}</math>
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==See Also==
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{{AMC8 box|year=2002|num-b=4|num-a=6}}

Revision as of 00:05, 31 July 2011

Problem

Carlos Montado was born on Saturday, November 9, 2002. On what day of the week will Carlos be 706 days old?

$\text{(A)}\ \text{Monday}\qquad\text{(B)}\ \text{Wednesday}\qquad\text{(C)}\ \text{Friday}\qquad\text{(D)}\ \text{Saturday}\qquad\text{(E)}\ \text{Sunday}$

Solution

Days of the week have a cycle that repeats every $7$ days. Thus, after $100$ cycles, or $700$ days, it will be Saturday again. Six more days will make it $\text{Friday} \rightarrow \boxed{C}$

See Also

2002 AMC 8 (ProblemsAnswer KeyResources)
Preceded by
Problem 4
Followed by
Problem 6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
All AJHSME/AMC 8 Problems and Solutions