Find the percent increase. Round to the nearest percent. From 13 friends to 16 friends 
       
      
                
     
    
    
    
    1  answer:
            
              
The percentage increase; you'll need to take the new value and subtract it by the old value. 
16 - 13 = 3
Next, you'll divide 3 by the original value. 
3 ÷ 13 = 0.23
And multiply by 100
The percentage increase of friends is 23% 
 
                                
             
         	
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The probability that the first 6 people who are asked that aren't interns is 35% 
        
             
        
        
        
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➷  Just multiply the price by 3:
1.35 x 3 = 4.05
It would cost $4.05
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Answer: 
x=35
hope it helps..........