gsm8k-0022
1.000
Challenge · difficulty 2/5
# GSM8K Problem 23
Billy sells DVDs. He has 8 customers on Tuesday. His first 3 customers buy one DVD each. His next 2 customers buy 2 DVDs each. His last 3 customers don't buy any DVDs. How many DVDs did Billy sell on Tuesday?
Reason step by step, then give ONLY the final answer on the last line as \boxed{ANSWER}.
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Proposed solution
Let me count the DVDs sold step by step.
First, I'll identify the customers and their purchases:
- 3 customers buy 1 DVD each
- 2 customers buy 2 DVDs each
- 3 customers buy 0 DVDs each
Now I'll calculate the total DVDs sold:
From the first 3 customers:
3 customers × 1 DVD each = 3 DVDs
From the next 2 customers:
2 customers × 2 DVDs each = 4 DVDs
From the last 3 customers:
3 customers × 0 DVDs each = 0 DVDs
Total DVDs sold = 3 + 4 + 0 = 7 DVDs
\boxed{7}