a pharmacist failed to place the balance in equilibrium before weighing 200mg of a drug. later, he discovered a 20% error was incurred. If the balance pan on which he placed the drug to be measured was heavy, how much of the drug in milligrams did he actually weigh?

Question

a pharmacist failed to place the balance in equilibrium before weighing 200mg of a drug.  later, he discovered a 20% error was incurred.  If the balance pan on which he placed the drug to be measured was heavy, how much of the drug in milligrams did he actually weigh?

Henry · Answer

200 * 1.2 = 240 mg.