Answer:
option A.. 10 days
Step-by-step explanation:
option is 10 days is the correct answer
in one day he eats = 1and1/5 cups = 6/5 cups
one cup last for = 5/6 day
12 cups last for days = 12× 5/6 = 2× 5 = 10 days
so correct answer is 10 days ... option A
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