Step-by-step explanation:
16 arrangement can be done
 
        
             
        
        
        
Answer: 7 laps
Step-by-step explanation:
The athlete planned to run 3 miles 
1 lap = 3/7 miles
x laps = 3 miles
by proportion :
x × 3/7miles = 3 miles
x = 3 ÷ 3/7 
x = 3 x 7/3 
x = 7
Therefore: the athlete will run 7 laps
 
        
             
        
        
        
You do mass divided by density
 
        
             
        
        
        
Answer: 24
Step-by-step explanation:
6, 12, 18, 24
8, 16, 24
 
        
                    
             
        
        
        
-2 * 2n -2 equals -4n + 4 > 18n -3n