How do I make a drive writable in Ubuntu?

Make drives writable

To make the other partitions or disks writable we need to change the permissions of the mount directory. Just open the drive in your favorite file browser (Nautilus for gnome users, Dolphin for KDE users) and click the drive icon on the left panel to mount it and view its content.

Can Ubuntu read and write to NTFS?

Yes, Ubuntu supports read & write to NTFS without any problem. You can read all the Microsoft Office docs in Ubuntu using Libreoffice or Openoffice etc. You can have some issues with text format because of default fonts etc.