How can I prepare 40 gr. ciprofloxacin aqueous cream 2%. When I have 500 mg Ciprofloxacin hydrochloride tablets. PLEASE

[answerhappygod]

How can I prepare 40 gr. ciprofloxacin aqueous cream 2%. When I
have 500 mg Ciprofloxacin hydrochloride tablets. PLEASE SHOW THE
CALCULATIONS ( How to calculate number of tablets needed
according to the amount to be prepared by writing a standard
equation to be used in any amount needed, without giving any other
information except above information. Also how to calculate the
amounts of substances of vanishing cream to be used in this
experiment ( stearic acid 18 g , potassium hydroxide 0.8 g ,
glycerin 5 g , methyl parapen 0.02 g , propyl paraben 0.01 g and
purified water 76 g - these amounts to make 100 g , but how can I
transfer them to the required amount and how to to determine the
amount of vanishing used with the tablets which being mortared)
ALSO PLEASE SHOW THE METHOD OF PREPARATION.
PLEASE HURRY UP AS U CAN