Question

9. To complete a project of Metro Railways in 4 years, 7,500 workers were employed. At the end of the first
year 15% workers were retrenched. At the end of the second year 20% of those working at that time were
retrenched. In order to complete the project on time, the number of workers was increased by 15% at the
end of the third year. How many workers were working during the fourth years.​

Answer 1

Answer:5,865

Step-by-step explanation:

7,500 x .85= 6,375

6,375 x .80= 5,100

5,100 x 1.15 = 5,865