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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? 

 Oct 13, 2020
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1 - One pound of tea versus one of pound of coffee has a ratio of: 2 : 1 in caffeine.

 

By volume: 1 pound of tea =160 cups versus 1pound of coffee = 40 cups for a ratio of: 4 : 1

 

Therefore, 1 cup of coffee has:4/2 = 2, or twice the amount of caffeine in 1 cup of tea.

 

 

2 - Since 1 cup of coffee has 5 times the amount of caffeine than 12-ounce can of cola, it therefore follows that 1 cup of tea has: 5/2 =2.5 times the amount of caffeine in 1 can of cola.

 
 Oct 13, 2020

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