Aunt Gemma has four dogs. She feeds them with dog food twice a day. Each dog can consume 250 grams of food per meal. If aunt Gemma bought 2 sacks of dog food, each weighing 50 kilograms, how many days will those food last? Think carefully first, then make a decision:
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Each dog consumes 250 grams x 2 = 500 grams of dog food each day. So, 4 dogs consume 500 grams x 4 = 2000 grams of dog food each day. Since there are 1000 grams in 1 kilogram, then the 4 dogs can consume 2000 / 1000 = 2 kilograms of dog food each day. Aunt Gemma bought a total of 50 kilograms x 2 = 100 kilograms of dog food. Hence, it will last 100 kilograms / 2 kilograms = 50 days. So, the answer is 50.
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