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's break down the problem step by step.

1. **Determine the total amount of feed per chicken per day:**
   - Each chicken receives 3 cups of feed per day.

2. **Calculate the total feed for all chickens per day:**
   - Wendi has 20 chickens.
   - Total feed per day = 20 chickens * 3 cups/chicken = 60 cups.

3. **Calculate the feed already given in the morning and afternoon:**
   - Morning feed = 15 cups.
   - Afternoon feed = 25 cups.
   - Total feed given so far = 15 cups + 25 cups = 40 cups.

4. **Determine the feed needed for the final meal:**
   - Total feed needed per day = 60 cups.
   - Feed already given = 40 cups.
   - Feed needed for the final meal = 60 cups - 40 cups = 20 cups.

So, Wendi needs to give her chickens 20 cups of feed in the final meal of the day.

$\boxed{20}$