On Average, the Total Body Content of Cholesterol in a 150

On average, the total body content of cholesterol in a 150 lb person may be around 35 grams.If the mass of one cholesterol molecule (C₂₇H₄₆O) is about 6.4 *10^-22 g, how many cholesterol molecules are present in this person?

A) 3.5*10^-23 molecules
B) 1.8 *10^-23 molecules
C) 1.8 * 10²² molecules
D) 6.4 * 10²² molecules
E) 5.5 *10²² molecules