SCOTUSblog: Birthright citizenship: hard questions – and the best answers – for Trump’s challengers
In our last column, we imagined grilling Solicitor General D. John Sauer in a moot court on birthright citizenship. Today, we reverse angles and imagine some of the hardest questions that tough-minded ...
Birthright citizenship: hard questions – and the best answers – for Trump’s challengers
The Spokesman-Review: Questions on birthright citizenship, nationwide relief remain in the Northwest after Supreme Court ruling
Questions on birthright citizenship, nationwide relief remain in the Northwest after Supreme Court ruling
Fox News: Expert flags ‘disappointing’ questions from justices in Trump birthright citizenship case
Washington Examiner: Birthright citizenship faces first Supreme Court test in more than 100 years
Birthright citizenship faces first Supreme Court test in more than 100 years
The flow rate increases 100-fold (one hundred-fold) Would be a more idiomatic way of saying this, however, the questioner asks specifically about the original phrasing. The above Ngram search would suggest that a one hundred has always been less frequently used in written language and as such should probably be avoided. Your other suggestion of by one hundred times is definitely better than a ...
As you note, "percent" means "for every hundred," so there is nothing at all wrong with percent values greater than 100 when discussing proportions, e.g. profits increased by 120%. Like fractions, however, percent values are longer to express than multiples, so for values much greater than 100 you may hear them less frequently:
relating to 100 years : marking or beginning a century, with the example "the centurial years 1600 and 1700". But there is a word that is widely used to indicate the range of years or centuries covered by an article or book: history.