A work if done 15 people can finish work within 14 days. if after work 2 days 3 people sick work so work continued by 12 person. if every worker have same ability hence work can finish in time ...
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// the above comparison is the ratio of turning value because the more workers the project has finished the less time in other words the worker and the time are inversely proportional //
// eg the time it takes 12 workers is x days //
15 workers = 14 days - 2 days
15 workers = 12 days
12 workers = x days
comparison
15 workers / 12 workers = x days / 12 days
// look for x days //
15 workers / 12 workers = x days / 12 days
x days = 15 workers / 12 workers × 12 days
x day = 15 × 1 day
x days = 15 days
So the work will be finished within 15 days
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