A 150 mg/dl glucose solution was diluted 1:2. Then 0.5ml of it was added to 4.5ml saline 2 ml of this solution was diluted to 10ml. What is the final concentration of glucose?

Question

A 150 mg/dl glucose solution was diluted 1:2. Then 0.5ml of it was added to 4.5ml saline 2 ml of this solution was diluted to 10ml. What is the final concentration of glucose?
1L= 10dl
1dl =100mL

Answer 0.015mg/dl

DrBob222 · Answer

I don't get that. 150 mg/dL diluted 1:2 = 75 mg/dL. Then 75 mg/dL x (0.5/5.0) x (2/10) = ?