1 lb 5.760×10^3 grain aspirin 5.000 grain mg

In the old pharmaceutical system of measurements,

masses were expressed in grains.

There are 5.760×10^3 grains in 1 lb.

An old bottle of aspirin lists 5.000 grains

of active ingredient per tablet.

How many milligrams of active ingredient

are there in the same tablet?

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[참고] 환산 인자

(5.000 grains/tablet) (1 lb / 5.760×10^3 grains) (453.59237 g / 1 lb) (1000 mg / 1 g)

= (5.000) (1 / (5.760×10^3)) (453.59237) (1000)

= 393.7 mg/tablet

답: 393.7 mg

[키워드] 질량 환산 기준, aspirin 기준, 아스피린 기준