2.2 pounds in a kilogram. 70/2.2 = 31.818 kg of the child. <span>10mg/kg and the tylenol is 80 mg per tables. Child should take 318.18 mg divide that by per tablet 318.18/80 = 3.977 tablets. </span> <span>We are using 1 sig fig, so that would make our answer be 4 tablets.</span>