A pediatric nurse is converting a child's weight from pounds and ounces to kilograms to calculate a medication dosage. The child weighs 75 lbs 8 oz. What is the child's weight in kilograms, rounded to the nearest tenth, that the nurse should use for the calculation?

Identify the weight and conversion factors Weight: 75 lbs 8 oz 16 ounces (oz) = 1 pound (lb) 1 kilogram (kg) = 2.2 pounds (lbs) Convert ounces to a decimal of a pound Decimal pounds = 8 oz ÷ 16 oz = 0.5 lbs Calculate the total weight in pounds Total lbs = 75 lbs + 0.5 lbs = 75.5 lbs Convert the total pounds to kilograms Weight in kg = Total lbs ÷ 2.2 Weight in kg = 75.5 ÷ 2.2 = 34.318... kg Round to the nearest tenth 34.318... rounded = 34.3 = 34.3 kg