Help calculating how many picket fence posts I need please

[ImfinallyaMummy]

Length is 3500ml
Picket post is 41ml

There needs to be a gap of 100ml per picket post

How many picket posts will I need?

mm not Ml

How far apart will you space them?

Assuming the panels are 1.8m you will need 3 panels and four posts.

25. 3500 divided by 141 is 24.82 so rounded up you'll need 25 picket posts

Agree with 25

There needs to be 100mm between each picket post.