Number of Helpers in man power histogram

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17 years 2 months

It should be derived based on the relative weightage in the overall manhours. It depends on the nature of activity. For example plastering work against 100 man-hours, you can distribute this manhours as 75% to Mason and 25% to Helper (Labors) i.e. the job requires 75 man- hours of Mason and 25 man-hours of Labor.