What is the full question ?
        
                    
             
        
        
        
2/10ths of an hour. You do 12/60 and get 0.2
        
                    
             
        
        
        
Answer:
a) 30 cm
b) 20 cm
Step-by-step explanation:
Rectangle B's perimeter is 10+10+5+5 which is 30
Square C's perimeter is 5+5+5+5 which is 20
 
        
             
        
        
        
In order to calculate how much wheat will be stored in each bag, let's divide the total amount of wheat by the number of bags:

Assuming that the amount of wheat each bag can hold is a whole number, so each bag can hold 96 kg (otherwise, each bag would hold 96.875 kg and there would be no wheat left).
Then, to find how much wheat will be left, let's calculate how much the 8 bags will hold, and then we subtract this value from the total:

So there will be 7 kg left.