Answer:
468
Step-by-step explanation:
=13[42-6]
=13 (36)
=13×36
=468
 
        
             
        
        
        
Answer:
3.25 in one hour
Step-by-step explanation:
6.5 ÷ 2 = 3.25
 
        
             
        
        
        
Y = 2/7x - 4
y + 4 = 2/7x
4 = 2/7x - y (multiply everything by seven to get rid of the fraction)
28 = 2x - 7y
2x - 7y = 28
        
             
        
        
        
Answer:
360 calories
Step-by-step explanation:
360
 
        
                    
             
        
        
        
Standard algorithm i think  
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