Question

A stock bottle of medication contains 500 mg of drug used in compounding other medications. You used 125 mg for one prescription and 62.5 mg for a second prescription, while the third prescription was for a child and only 25.25 mg were necessary.
a. What quantity medication had been used?
b. What quantity of the original medication is left?

Answer 1

212.75 Mg were used in total, so that means that

 287.25 Mg are left
or, it may be 1712.25 Mg are left