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"As I was going to St Ives" (Roud 19772) is a traditional English-language nursery rhyme in the form of a riddle.

The most common modern version is:

As I was going to St Ives,

I met a man with seven wives,

Each wife had seven sacks,

Each sack had seven cats,

Each cat had seven kits:

Kits, cats, sacks, and wives,

How many were there going to St Ives?

Origins

The following version is found in a manuscript (Harley MS 7316) dating from approximately 1730:

As I went to St Ives

I met Nine Wives

And every Wife had nine Sacs,

And every Sac had nine Cats

And every Cat had nine Kittens

A version very similar to that accepted today was published in the Weekly Magazine of August 4, 1779:

As I was going to St Ives,

Upon the road I met seven wives;

Every wife had seven sacks,

Every sack had seven cats,

Every cat had seven kits:

Kits, cats, sacks, and wives,

How many were going to St Ives?

The earliest known published versions omit the words "a man with" immediately preceding the seven (or nine) wives, but he is present in the rhyme by 1837.

There were a number of places called St Ives in England when the rhyme was first published. It is generally thought that the rhyme refers to St Ives, Cornwall, when it was a busy fishing port and had many cats to stop the rats and mice destroying the fishing gear, although some people argue it was St Ives, Cambridgeshire, as this is an ancient market town and therefore an equally plausible destination.

Answers

The traditional understanding of this rhyme is that only one is going to St Ives—the narrator. All of the others are coming from St Ives. The trick is that the listener assumes that all of the others must be totaled up, forgetting that only the narrator is said to be going to St Ives. If everyone mentioned in the riddle were bound for St Ives, then the number would be 2,802: the narrator, the man and his seven wives, 49 sacks, 343 cats, and 2,401 kits.

This interpretation provided the basis for a verse reply from "Philo-Rhithmus" of Edinburgh, in the September 8, 1779, issue of the Weekly Magazine:

Why the deuce do you give yourselves so much vexation,

And puzzle your brains with a long calculation

Of the number of cats, with their kittens and sacks,

Which went to St Ives, on the old women's backs,

As you seem to suppose? – Don't you see that the cunning

Old Querist went only? – The rest were all coming.

But grant the wives went too, – as sure's they were married,

Eight only could go, – for the rest were all carried.

Owing to various ambiguities in the language of the riddle, several other solutions are possible. While it is generally assumed that the narrator met the man and his wives coming from St Ives, the word "met" does not necessarily exclude the possibility that they fell in while traveling in the same direction. In this case, there is no trick; just an arithmetical calculation of the number of kits, cats, sacks, and wives, along with the man and the narrator. Another possible answer is that the man with seven wives might have seven wives, but that none of them was accompanying him on the journey. One way of stating the answer, taking account of these ambiguities, is "at least one, the narrator plus anyone who happens to be travelling in the same direction". Still other interpretations concern the phrasing of the question, which might be understood to exclude the narrator. If only the narrator were travelling to St Ives, but the phrase, "kits, cats, sacks, and wives" excludes him, then the answer to the riddle is zero. If everyone—including those being carried—were travelling to St Ives, but only the kits, cats, sacks, and wives are counted, then the answer is precisely 2,800.

Rhind mathematical papyrus

A similar problem is found in the Rhind Mathematical Papyrus (Problem 79), dated to around 1650 BC. The papyrus is translated as follows:

The problem appears to be an illustration of an algorithm for multiplying numbers. The sequence 7, 7, 7, 7, 7 appears in the right-hand column, and the terms 2,801, 2×2,801, 4×2,801 appear in the left; the sum on the left is 7×2,801 = 19,607, the same as the sum of the terms on the right. The equality of the two geometric sequences can be stated as the equation (2 + 2 + 2)(7 + 7 + 7 + 7 + 7) = 7 + 7 + 7 + 7 + 7, which relies on the coincidence 2 + 2 + 2 = 7.

Note that the author of the papyrus listed a wrong value for the fourth power of 7; it should be 2,401, not 2,301. However, the sum of the powers (19,607) is correct.

The problem has been paraphrased by modern commentators as a story problem involving houses, cats, mice, and grain, although in the Rhind Mathematical Papyrus there is no discussion beyond the bare outline stated above. The hekat was 1⁄30 of a cubic cubit (approximately 4.8 L or 1.1 imp gal or 1.3 US gal).

References

Citations

1. ^ I. Opie and P. Opie, The Oxford Dictionary of Nursery Rhymes (Oxford University Press, 1951, 2nd edn., 1997), pp. 376–7.
2. "A Simple Question". The Weekly Magazine, or Edinburgh Amusement. xlv. Edinburgh: Ruddiman: 132. 4 August 1779. hdl:2027/chi.79376108.
3. Chambers, Robert (29 April 1837). "A Hoax Extraordinary". Chambers' Edinburgh Journal (274). Edinburgh: Chambers: 112. hdl:2027/mdp.39015035107351.
4. Hudson, Noel (1989), St Ives, Slepe by the Ouse, St Ives Town Council, p. 131, ISBN 978-0-9515298-0-5
5. Flanagan, Bridget (2003), The St Ives Problem, a 4000 Year Old Nursery Rhyme?, B. Flanagan, ISBN 0-9540824-1-9
6. Ore, Oystein (1948). Number Theory and Its History. Courier Dover Publications. p. 118.
7. Philo-Rhithmus (8 September 1779). "To the Publisher of the Weekly Magazine". The Weekly Magazine, or Edinburgh Amusement. xlv. Edinburgh: Ruddiman: 256. hdl:2027/chi.79376108.
8. The Highway Code. The Stationery Office. 1931. p. 9.
9. Gibson, Bryan (18 April 2014). The Legend of St Yves. Waterside Press. p. 76.
10. Maor, Eli (2002) , "Recreational Mathematics in Ancient Egypt" (PDF), Trigonometric Delights, Princeton University Press, pp. 11–14 (in PDF, 1–4), ISBN 978-0-691-09541-7, archived from the original (PDF) on 24 December 2005, retrieved 19 April 2009
11. "Transcript EPISODE 17 – RHIND MATHEMATICAL PAPYRUS". A history of the world. BBC. Retrieved 26 February 2012.

Bibliography

• Øystein Ore, "Number Theory and its History", McGraw–Hill Book Co, 1944

• Riddles
• History of mathematics
• English nursery rhymes
• English folk songs
• English children's songs
• Traditional children's songs
• Songs about England