If you could/can work out the change from a pound on a 4s-6½ (four shillings and six and a halfpence) packet of fags (circa 1050s), you'd hardly be likely to ha

If you could/can work out the change from a pound on a 4s-6½ (four shillings and six and a halfpence) packet of fags (circa 1050s), you'd hardly be likely to have much problem with metric. [As was: 1 pound = 240 pence = 20 shillings i.e. 1 shilling = 12 pence]