A cup of brewed tea has 54 milligrams less caffeine than a cup of brewed coffee.if a cup of tea has 66 milligrams of caffeine,how much caffeine is in a cup of coffee
66 milligrams minus 54 milligrams is a difference of 6 milligrams, then add 6 milligrams to 66 milligrams to get a total of 72 milligrams for a cup of coffee.
