Each of the ten letters in ``MATHCOUNTS'' is written on its own square tile and placed in a bag. What is the probability that a 
tile randomly selected from the bag will have a letter on it that is in the word ``TEACH''? Express your answer as a common fraction.
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
step  1First, see how many letters in MATHCOUNTS are also in TEACH.
M no
A  yes
T  yes
H yes
C yes
O  no
U no
N no
T  yes
S  no
 That is 5 out of the 10 letters.
so
<span>the probability=</span>5/10-------> 1/2 
<span>
the answer is1/2</span>
 
                                
             
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