I have a cute riddle..come on

[shadow girl]

salem
I have a simple riddle

and nchallah you will find the answer..ok?!
The doctor told you to take one pill every half hour..
the question is
How much time is required to complete the 3 pills??
I wait for you friends
see you
s7adow girl

[herry$]

only one hour

[spy4me]

normaly one hour
i take one, after half an hour the second then after half an hour the third

[shadow girl]

emmmmmmmm...
great answer