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

A) 70

B) 238

C) 270

D) 340

Let dosage after decrease= x

Given condirion :

30% of 340 = [30/100] x 340 = 102

Now x= 340 – 102 = 238