Oops! Looks like Campbells have got themselves in a bit of a pickle over percentages.
They can’t both be right, so which is it 30% or 40%? Shall we “do the math” as they say in America.
Old size times (1+x) = New size, where x is the percentage increase in decimal form.
A quick bit of re-arranging gives us:
1 + x = New size/ Old size
x = (New Size/Old size) -1
Multiply x by 100 to turn it into a percentage.
x = (15.2 / 10.75) = 0.41 …
So the 40% can is about right.
Another maths fail to add to the collection.
Anyone fancy a some soup?
(Image first seen (by me) here)