money question

[elf1]

TV on sale for �30 three men buy TV So they pay �10 each. Marager of store tells shop assistant to give men �5 coins back so decidse to keep �2 gives men �3 back men have paid �9 each 3by �9 = �27 assistant kept �2 Where is the other �1?

[wheelie1949]

There is no other pound. The three men paid �10 each and got �1 each in change. They therefore paid �27. The TV was �25, the assistant kept �2 - total �27.
All money accounted for.