Straight facts my guy your smart
Body language, because she didn't say a word, but used parts of her body to communicate her feeling towards what she said.
High blood pressure<span> (or </span>hypertension<span>) is the biggest risk factor for a stroke (by far).</span>
The correct answer is 500mg.
First convert the ratio strength to a percentage(0.2%).
Drug X accounts for 0.0396 g of NaCl.
It would require 0.54 g of NaCl if that was all we were using.
Lastly, 0.54 g - 0.0396 = ~ 0.5 g NaCl ( or 500 mg, rounded as per the instructions ).