Originally posted by kw72uk
I’ve thought about this and I cant figure it out…am I being thick?
3 men in café, have food, bill comes to £30 so they give waiter £10 each.
Apparently waiter got bill wrong - it should have been £25. So manager gives him £5 to take bac ...[text shortened]... ocket = £29!
Where did other £1 go?
Edit: appalling grammar!
If this is a two-part question then the first part is easy.
As for the secnd part, there is no
You are wrongly assuming that 27 + 2 should equal 30.
$27 has been paid out.
The cafe has $25 and the waiter has $2.
End of story.
Let the 3 men pay 3x
Let the overcharge be y
Let y be of the form 3n + k where k is the amount that the waiter keeps
The waiter gives back 3n to the men so that they have now paid 3x - 3n in total
The problem says that 3x - 3n + k should equal 3x
This is only true when k = 3n
But in your problem k = 2 and 3n = 3