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chment Question o der employed 4,000 workers to work on a residential project. At the end o the first year, 10% workers were removed, at the end of the second year, 5% those working at that time were retrenched. However, to complete the project time the number of workers was increased by 15% at the end of the third ye How many workers were working during the fourth year?

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Q1

3. A builder employed 4,000 workers to work ona residential project. At the end of the first year, 10% workers were removed, at the end of the second year, 5% of those working at that time were retrenched. However, to complete the project in time, the number of workers was increased by 15% at the end of the third year. How many workers were working during the fourth year

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Q2

6400 workers were employed to construct a river bridge in four years. At the end of the first year, $25 %$ workers were retrenched. At the end of the second year, $25 %$ of those working at that time were retrenched. However, to complete the project in time, the number of workers was increased by $25 %$ at the end of the third year. How many workers were working during the fourth year ?

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