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# It's because they drop the single unit price and forget to adjust the offer.
The orangina was probably £1 each, 2 for £1.60 and then they dropped it to 79p. The way the tills work is that they subtract the difference usually, so if it reads two oranginas it just subtracts 40p from the bill at the end. So you'd probably get two for £1.18.

Sorry to spoil the joke by explaining why it's perfectly reasonable :(
(, Tue 5 Jan 2010, 10:21, archived)
# Why are you such a jerk, man? You're not happy unless you ruin everyones fun, huh? Well damn, man. Stop it.
(, Tue 5 Jan 2010, 10:23, archived)
# Oh snap!
(, Tue 5 Jan 2010, 10:24, archived)
# Yay!
Thats my favourite expression ^
(, Tue 5 Jan 2010, 12:49, archived)
# I don't think that is perfectly reasonable
I still think it's total incompetence on their part.
(, Tue 5 Jan 2010, 10:27, archived)
# agreed,
how many people have purchased more then otherwise would have believing they're getting some kind of deal?
(, Tue 5 Jan 2010, 10:29, archived)
# 15,673
(, Tue 5 Jan 2010, 10:41, archived)
# Gosh!
*macaulay culkins*
(, Tue 5 Jan 2010, 10:44, archived)
# They are getting a deal though
as I explained, the till will be programmed to subtract a certain amount in line with the original deal, so if they bought two, they will get it for less than 2 x 79 pence.

X = the original price of a bottle of orangina
Y = the new price (79p in this case)
Z = the offer price for two of them (£1.60)
A = the amount to subtract from the bill
B = the amount charged

If the till registers two bottles of Orangina it will do the following sum;

A = (2x - Z)
and
B = (2Y - A)

Thus giving you a good deal because you don't pay £1.58 or £1.60, you pay £1.58 minus Z, whatever Z is. If Orangina was originally £1 a bottle, then z = 40p so you pay £1.18

That's how supermarket tills work. Look at your receipt next time you get something with a multibuy deal; they are charged at the normal price, and the difference subtracted at the end.
(, Tue 5 Jan 2010, 12:35, archived)
# Not sure that's right
I got 4 of those chocolate drink packets to see if I was charged a quid, turned out it was just (4 x Current Price)
(, Tue 5 Jan 2010, 12:49, archived)
# I have observed it to be the case many times.
A few weeks ago the Tesco by me had pizzas that were £2 each or 2 for £3. They were reduced because they had reached the best before date to £1 each, so I bought two. When I looked at the receipt the till still subtracted £1 from the bill at the end. It happens a lot. It's probably not supposed to happen, but it frequently does all the same. You were just unlucky I guess.
(, Tue 5 Jan 2010, 12:55, archived)
# This ->
Needs further investigation, hmmm
(, Tue 5 Jan 2010, 12:56, archived)
# I did a similar thing in B&Q
Energy saving lightbulbs were in the 'we can't quite bring ourselves to through it away so we'll put in here in the hope that some gullible idiot pays us money to take away our rubbish' corner, but they were also reduced, so I paid, the money off price, with the multibuy taken off at the end. Ended up paying 25p a bulb, and buying loads of them. Boring but true.
(, Tue 5 Jan 2010, 13:06, archived)
#
I read that as "A few weeks ago, Tesco had me by the pizzas..."
(, Wed 6 Jan 2010, 3:44, archived)
# Lets start a revolution!
I got all those pics in my last few visits, I think it's a right shitter on the people who didn't get an education
(, Tue 5 Jan 2010, 10:31, archived)
# I noticed something similar in Sainsbury's
or *shudder* somerfield the other day.
(, Tue 5 Jan 2010, 10:32, archived)
# i used to work in somerfield when i was a teenager
when will the *shuddering* stop?
(, Tue 5 Jan 2010, 10:39, archived)
# did anyone sniff your bum?
I heard it happens
(, Tue 5 Jan 2010, 10:40, archived)
# as did a friend of mine
He described what he did as 'shuffling cheese'.
(, Tue 5 Jan 2010, 10:41, archived)
# i would describe it as time spent putting innapropriate things in the rubbish compactor
(, Tue 5 Jan 2010, 10:45, archived)