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.
AWhat quantity medication had been used?
BWhat quantity of the original medication is left?
AWhat quantity medication had been used?
BWhat quantity of the original medication is left?