Before you start: Understand scope, schedule and the difference between effort and duration.
Try it
Four people each offer five days at six usable hours per day. How much effort is available, and what might still constrain delivery?
Your reasoning, assumptions and units:
Apply it to your work
Describe a comparable situation. What evidence would you need before using this reasoning to make a decision?
Your example and next check:
Answer and reasoning
4 × 5 × 6 = 120 person-hours. Skills, sequencing, shared resources and coordination may still constrain elapsed time. Total effort cannot substitute for a missing specialist.
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