A fitness trainer guides 6 clients per hour. When clients increase to 12 per hour, each session becomes 30% shorter. What is the new time per client?
Correct answer: B. 7 min
- A. 6 min
- B. 7 min
- C. 8 min
- D. 9 min
Explanation
Initially, the trainer guides 6 clients per hour, meaning each session lasts 10 minutes (60 minutes divided by 6 clients). When the number of clients increases to 12 per hour, each session becomes 30% shorter. A 30% reduction of 10 minutes is 3 minutes (10 * 0.30 = 3). Therefore, the new session time is 7 minutes (10 minutes - 3 minutes = 7 minutes). Thus, Option B is correct. Option A is incorrect as it represents a 40% reduction. Option C incorrectly states the session time as 8 minutes. Option D represents a scenario with less than a 10% reduction, which is not applicable here.
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