Answer:
4 more people
Explanation:
6 people can paint several offices in 5 days
1 people can do same work in = 6 × 5 = 30 days
To complete the same job in 3 days people need =
![(30)/(3)](https://img.qammunity.org/2019/formulas/mathematics/high-school/hdvf4188eagv403avh1nrjcwcxfoc7hf2u.png)
= 10 people
Need to hire people = 10 - 6 = 4 people
4 more people need to be hired to complete the same job in 3 days.