Different capacities

This task is about converting measurement units for volume.
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Mara is having a birthday party. Mum wants to know how much fizzy drink to buy.
She needs to work out how many glasses can be filled from bottles of different size.

Question 2Change answer

a)  How many 250 millilitre glasses are there in

     i)   a 1.5 litre bottle? 

     ii)  a 2 litre bottle? 

Question 2Change answer

b)  Mum buys three 2 litre bottles. 
     How many 250 millilitre glasses could she fill from the three bottles?  

Question 2Change answer

c)  If 10 children come to the party and each child drinks two 250 millilitre glasses of fizz,
     how many litres of fizzy drink will they have drunk altogether?   litres