A stock bottle of medication contains 500 mg of a drug. You used 125 mg for one prescription and 62.5 mg for a second prescription, while the third prescription was for a child and only 25.25 mg were necessary.
A. What quantity (mg) medication has been used? Round to the nearest hundredths.
B. What quantity (mg) of the original medication is left in the stock bottle? Round to the nearest tenths.
A. We can find the quantity that has been used by adding 125 mg, 62.5, and 25.25 together.
125 mg + 62.5 + 25.25 = 212.75 mg
212.75 rounded to the nearest hundredths is 212.75
We can find the quantity that is left in the stock bottle by subtracting 212.75 mg from 500 mg
500 - 212.75 = 287.25
287.25 rounded to the nearest tenths is 287.3
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Jan 20, 20 01:57 PM
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