Test of Essential Academic Skills (TEAS) ATI Mathematics Practice Test

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If a patient's medication dosage increases by 30% from 270 mg, what will the new dosage be?

81 mg
270 mg
300 mg
351 mg

The correct answer is: 351 mg

To find the new medication dosage after a 30% increase from an initial dosage of 270 mg, you start by calculating 30% of 270 mg. First, convert the percentage into decimal form by dividing by 100: 30% = 0.30. Next, multiply this decimal by the original dosage: 0.30 × 270 mg = 81 mg. Now, add this amount to the original dosage to find the new dosage: 270 mg + 81 mg = 351 mg. Thus, the new dosage after a 30% increase from 270 mg is 351 mg. This computation confirms that the new dosage is indeed 351 mg, making it the correct answer. The process of breaking down the percentage calculation and the addition is essential for understanding how dosage adjustments work in medical settings.