A work team of four people completes half a job in 15 days. How many days will it take a team of ten people to complete the remaining half of the job? (Assume that each person of both teams works at the same rate as each of the other people.)

Question

I just would like a bit help.

Answer 1

10/4 as many people, so 4/10 the time
15 * 4/10 = 6 days

Answer 2

Idk