In single bond, 1 pair of electron(2 electrons) is shared, in double bond, 2 pairs of electrons(4 electrons) are shared and in triple bond, 3 pairs of electrons( 6 electrons) are shared. Hope this helps.
B A C ( Blood Alcohol Content ) of 0.10 means that there are 0.10 g of alcohol for every dl of blood. 5 L = 50 dl 50 * 0.10 g = 5 g In his blood is circulating 5 grams of alcohol.