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

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Prepare for the TEAS ATI Mathematics Test. Engage with flashcards and multiple-choice questions, each providing hints and explanations. Equip yourself for success!

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A patient needs a 30% decrease in a 340 mg medication dosage. What will the new dosage be?

A. 70 mg
B. 238 mg
C. 270 mg
D. 340 mg

The correct answer is: B. 238 mg

To determine the new medication dosage after a 30% decrease from the original 340 mg, you first need to calculate what 30% of 340 mg is. Start by converting the percentage to a decimal. Thirty percent can be expressed as 0.30. Next, multiply the original dosage by this decimal: 0.30 × 340 mg = 102 mg. This result represents the amount decreased from the original dosage. To find the new dosage, subtract this decrease from the original amount: 340 mg - 102 mg = 238 mg. So, the new dosage after the 30% decrease is 238 mg. This value accurately reflects how much medication remains after reducing the initial dosage by the specified percentage.