On Sun, 02 Feb 2014 08:57:03 -0800, David Hutto wrote: > Revised:
> discounted_price = price_per_book - (price_per_book * percent_discount) by applying some simple algebra to the right hand side price_per_book - (price_per_book * percent_discount) "x = (x * 1)" so "price_per_book == (price_per_book * 1)" so rhs becomes (price_per_book * 1) - (price_per_book * percent_discount) and "(a * x) - (a * y)" == "a * (x - y)" so rhs becomes price_per_book * (1 - percent_discount) hence: discounted_price = price_per_book * (1 - percent_discount) -- Denis McMahon, denismfmcma...@gmail.com -- https://mail.python.org/mailman/listinfo/python-list
