gsm8k-0004

# GSM8K Problem 5

Every day, Wendi feeds each of her chickens three cups of mixed chicken feed, containing seeds, mealworms and vegetables to help keep them healthy.  She gives the chickens their feed in three separate meals. In the morning, she gives her flock of chickens 15 cups of feed.  In the afternoon, she gives her chickens another 25 cups of feed.  How many cups of feed does she need to give her chickens in the final meal of the day if the size of Wendi's flock is 20 chickens?

Reason step by step, then give ONLY the final answer on the last line as \boxed{ANSWER}.

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Let me work through this step by step.

First, I need to understand what's given:
- Wendi has 20 chickens
- Each chicken gets 3 cups of feed per day
- Feed is given in 3 separate meals
- Morning meal: 15 cups total
- Afternoon meal: 25 cups total
- Need to find: final meal amount

Let me calculate the total daily feed requirement:
- 20 chickens × 3 cups each = 60 cups total per day

Now I'll check the meals:
- Morning: 15 cups
- Afternoon: 25 cups
- Final meal: ? cups

Since the total daily feed is 60 cups:
Morning + Afternoon + Final meal = Total
15 + 25 + Final meal = 60
40 + Final meal = 60
Final meal = 60 - 40 = 20 cups

Let me verify this makes sense:
- Morning: 15 cups
- Afternoon: 25 cups  
- Final: 20 cups
- Total: 15 + 25 + 20 = 60 cups ✓

This matches the total feed requirement of 60 cups for 20 chickens.

\boxed{20}