One litre of millk fills two identical bottles. A quarter of the milk
in one bottle is used to make a cup of tea. How much milk was
used to make tea?'Hòw many millilitres?

Explanation

Amount of milk in a bottle `=(1)/(2)` litre
Amount of milk is used to make a cup of tea

=(1)/(2) xx (1)/(4)=(1)/(8) ( litre )

(1)/(8) ( litre )=(1)/(8) xx 1000=125 ( millilitre ).