Premise: How to hoard food for an emergency<br>Make sure you have at least £ 300/$490/342 euro's (these are equivalent as of the seventh of may , 2011). Go to a shop that sells canned foods and drinks. Tinned and dried foods are best, as they last for a long time.
Hypothesis: The currency conversions that were mentioned were relevant as of 532 years after May 7th, 2011.