Pharmacists sometimes measure medicines in the unit of "grains," where 1 gr = 65 mg. The label on a bottle of aspirin reads "Aspirin, 5 gr." How many mg of aspirin are in a tablet containing 5 gr?

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Ondinne Ondinne · Answer 1 · 2019-10-03T15:59:39+02:00

Answer:

325mg of Aspririn

Explanation:

First you should note the information that the problem gives you:

- The bottle of Aspirin has 5gr (grains)

- 1gr(grain) = 65mg (miligrams)

Also, the problem is asking about how many aspirin are in 5 gr (grains), so you should use a conversion factor, as follows:

-First you should put the quantity you need to convert:

[tex]5grAspirin[/tex]

-Then you write the denominator of the conversion factor that must have the same units that you want to convert, in this case gr:

[tex]5grAspirin*\frac{}{1grAspirin}[/tex]

-Then you write the numerator with the units that you want to obtain and the numerical equivalence between the units, in this case:

[tex]5grAspirin*\frac{65mgAspririn}{1grAspirin}[/tex]

-Finally you multiply numerators and divide by denominators:

[tex]5grAspirin*\frac{65mgAspririn}{1grAspirin}=325mgAspririn[/tex]