Answer:
10
Step-by-step explanation:
1+6=7
7-2=5
5+5=10
 
        
                    
             
        
        
        
Answer:
4.2 laps 
Step-by-step explanation:
because 4 laps is 1600+ the 80 which is a 1/5 of 400 causing it to be .2
 
        
             
        
        
        
Answer:
t=1/30 h = 2 min
Step-by-step explanation:
d = vt
system of equations:
d = 13t
d - 2/5 = t       ->     d = t+2/5
Solve
13t = t +2/5
t = 1/30 h = 60 min / 30 = 2 min
 
        
             
        
        
        
<h2>3x4x5=60cms </h2><h2>60cm is the correct answer to the question </h2>