The cost of 1 battery is 0.43
Step-by-step explanation:
Let the cost of 1 battery be x
We are given that the torch costs 11 times as much as the battery
Cost of torch = 11x
Total cost of 1 battery and torch = 11x+x=12x
Tim pays $10
He receives change of $4.84
Total cost of 1 torch and battery = 10 - 4.84 =$5.16
So,


Hence the cost of 1 battery is 0.43
 
        
             
        
        
        
Step-by-step explanation:
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For number one you should get 6√3 
        
             
        
        
        
Answer:
-64a³b³
Step-by-step explanation:
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It subtracts 2 then adds 5