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Enrique drank 23⁄16 cups of coffee in 21⁄2 hours. How much coffee did he drink each hour?
    
  A. 4⁄5 of a cup
  B. 515⁄32 cups
  C. 11⁄8 cups
  D. 7⁄8 of a cup

Respuesta :

altavistard

Answer:

7/8 cup/hr (Answer D)

Step-by-step explanation:

You're being asked to find the unit rate, the rate at which Enrique drank coffee each hour.  Divide 2 3/16 cups by 2 1/2 hours:

2 3/16 cups         35          5

------------------- =  -------  ÷ -------  = (35/16)*(2/5) = 70/80 cup/hr = 7/8 cup/hr

2 1/2 hours          16           2


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