Filling bottles II

This task is about showing what fraction of a bottle is filled.
a) Shade this bottle to show it is 13 full. b) Shade this bottle to show it is 15 full.
labelled-milk-bottle.png labelled-milk-bottle.png
   
c) Shade this bottle to show it is 34 full. d) Shade this bottle to show it is 23 full.
labelled-milk-bottle.png labelled-milk-bottle.png