90% 
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Answer:
34
Step-by-step explanation:
2210 / 65 = 34. There is no further explanation 
 
        
             
        
        
        
Answer:
2.35 miles
Step-by-step explanation:
 
        
             
        
        
        
3 should be added to the tiles
        
             
        
        
        
So to set up the equation we have:
<span><span><span>4M</span><span>4+M</span></span>=<span>127</span></span>
<span>28M=12(4+M)</span>
<span>28M=48+12M</span>
<span>28K−12M=48</span>
<span>(28−12)M=48</span>
<span>16K=48</span>
<span>M=<span>4816</span></span>
<span>M=3</span>
So Marna can clean the chimney alone in 3 hours