Quote Originally Posted by LittleGrizzly
look i realise it works one way but the point is it does not work the other

they each paid 9 pound each, 3 of them making 27 pound with a 2 pound tip for the honest shop keeper that makes 29 pounds. how does the pound dissappear ?
i don't get it. they each paid 9. that's 27
25 for the TV and 2 for the tip. why are you adding the 2 to 27?