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Left: A box of Liquemin
contains 5 small vials. They were cleaned and 5 syringes of blue water
were added. Two syringes can be seen beside them. One of them is prepared
for your experiment by removing the needle. The bottle takes 50 syringes
of water.
Middle: One child
has already taken 5 syringe of blue water from the first vial. 4 of them
were already injected into the bottle.
Right: 5 children
have removed the blue water from their vial. Each child gave 5 injections
to the bottle which is now half full.