A Pharmacist needs 100 gallons of 50% solution. She has available a 30% solution and an 80%. How much of each should she use? (Step-by-step answer)

A Pharmacist needs 100 gallons of 50% solution. She has available a 30% solution and an 80%. How much of each should she use? (Step-by-step answer) class=

Answer :

Other Questions