If a pound of tea has twice as much caffeine as a pound of coffee, and if a pound of tea is enough to make 160 cups of tea, and if a pound of coffee to make 40 cups, and if a 12-ounce can of cola has about one-fifth the caffeine as a cup of coffee. How much caffeine does one cup of tea have compared to one cup of coffee? How much caffeine does one cup of tea have compared to a 12-ounce can of cola?
+17 Melody and CPhil answer the same question at this link: https://web2.0calc.com/questions/word-problem_21
