I need at least one example answered from NT2640. Too often the homework is on here without any answers. That doesn’t do anyone any good….

I need at least one example answered from NT2640.U3.WS3. Too often the homework is on here without any answers. That doesn’t do anyone any good. Specifically: Given an IP address of 192.168.0.1 how many bits would you borrow to get 12 hosts on each of your 12 networks?