Lisa and Marie are both on the track team. During practice, Lisa ran 10 laps around
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
Marie ran at a faster rate. It takes 27 minutes for Lisa to run 15 laps while it takes Marie 26.25 minutes to run 15 laps. 
Step-by-step explanation:
18 ÷ 10 = 1.8 (Lisa's rate) 
14 ÷ 8 = 1.75 (Marie's rate) 
1.8 x 15 = 27 minutes (How long it takes for Lisa to run 15 laps) 
1.75 x 15 = 26.25 (How long it takes for Marie to run 15 laps) 
 
                                
             
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Answer:
40 seconds
Step-by-step explanation:
 
        
             
        
        
        
        
The answer could possibly be -48+11=-37
        
             
        
        
        
Answer:
x =39°
the total interior angles of a triangle is 180°
let the unknown angle be x,
solve:
x + 39 + 102 = 180°
x = 180° -  39° - 102°
x = 39°
Therefore the unknown angle is 39°
 
        
                    
             
        
        
        
Let the number of weeks to have same amount = x Then:-
1200 + 40x = 700 + 50x
1200 - 700 = 50x - 40x
10x =  500
x = 50  
answer is 50 weeks