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An average American adult drinks 3.1 cups of coffee each day. A cup of coffee measures approximately 9 ounces. One pound of coffee beans is used to produce 256 ounces of coffee. How many pounds of coffee beans, rounded to the nearest pound, should be grown to produce the amount of coffee that an average American adult will drink during 1 year?

Respuesta :

3.1 cups of coffee x 365 days in a year equals 1131.5 cups of coffee per year. Multiply that by 9 to find out how many ounces are drank each year and you get 10183.5. Now divide that number by 256 to find out how many pounds of coffee are needed and you have 39.78 which rounded up is 40 pounds. So the answer is 40 lbs.

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