Ratio / Conversion pharmacy math

by Debra
(Texas)

How many 100 mg tablets will you need to make 1/2liter of a 1:250 solution?

I get 60 but the answer I get is not one of the choices.What am I doing wrong?

Reply: (by Keith)
Debra, I put the answer to your question
"step-by-step"
at the bottom of
This page - scroll down and look for a purple border.