Well although the two are very close in comparison, an autobiography is a book that the author writes about their whole lives and themselves while a memoir is only part of the author's life that he writes about. Hope that helps!
He is using appealing words to help sell of the donkey. This is made clear at the end when it says," Who will bid for this exceptional creature"
13 tens would be 130. so... I'm not exactly sure what you mean by the question...
it's 1 hundred and 3 tens...?