Difference between revisions of "2024 AMC 8 Problems/Problem 1"

(Solution 1)
(Solution 1)
Line 7: Line 7:
 
<cmath>222,222-22,222-2,222-222-22-2</cmath>
 
<cmath>222,222-22,222-2,222-222-22-2</cmath>
 
<cmath> \equiv 2-2-2-2-2-2</cmath>
 
<cmath> \equiv 2-2-2-2-2-2</cmath>
<cmath> \equiv -8</cmath>  
+
<cmath> \equiv -8</cmath>
So the solution is <math>(E) </math>  <math> 8</math>
+
<cmath> \equiv 2</cmath>  
 +
So the solution is <math>(B) </math>  <math> 2</math>
  
 
~nikhil
 
~nikhil

Revision as of 14:03, 25 January 2024

Problem

What is the ones digit of \[222,222-22,222-2,222-222-22-2?\] $\textbf{(A) } 0\qquad\textbf{(B) } 2\qquad\textbf{(C) } 4\qquad\textbf{(D) } 6\qquad\textbf{(E) } 8$

Solution 1

\[222,222-22,222-2,222-222-22-2\] \[\equiv 2-2-2-2-2-2\] \[\equiv -8\] \[\equiv 2\] So the solution is $(B)$ $2$

~nikhil