A patient requires a 30% decrease in the dosage of his medication. His current dosage is 340 mg. Whatwill his dosage be after the decrease?

(A) 70
(B) 238
(C) 270
(D) 340

Solution:
= {(30)/(100)} X 340 = 3 X 34 = 102
340 – 102 = 238
Second method
0.70 X 340 = 238

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