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Calculations
| Question | Answer |
|---|---|
| Common system of weight used in commerce and daily life. | Avoirdupois |
| Common system of volume used for household measurement. | Apothecary |
| Use of apothecary and avoirdupois is strongly: | discouraged |
| One unit of weight is the same in both avoirdupois and apothecary system, which is: | grain |
| The dram symbol means: | 5 ml |
| a.s, au, ad means: | left ear, both ears, right ear |
| o.u. os, od means: | both eyes, left eye, right ear |
| Roman numerals X, C, and M mean: | 10,100, and 1,000 |
| Roman numerals V, L, D | 5,50,500 |
| Means per hundred | Percent |