To determine how many 5-grain aspirin tablets are needed for a total dosage of 7.5 grains, divide the total desired dosage by the dosage per tablet. This means 7.5 grains ÷ 5 grains per tablet = 1.5 tablets. Therefore, 1.5 tablets of 5-grain aspirin must be given to achieve a total dosage of 7.5 grains.
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50% whole-grain
A grain is equal to 65mg. So, 10 grains is equal to 650mg.
1 grain = 64.891mg, therefore 150 grains is: 150 x 64.891mg = 9,733.65mg
30 milligrams is less than half of one grain. to be exact, 0.462970 grains.
In your sand sample, what is the average weight of a grain?