Yeah you’re right I didn’t even notice that. For some reason I just added the 60 instead of using quantity which had been defined.
On Feb 1, 2014, at 8:50 AM, Dennis Lee Bieber <wlfr...@ix.netcom.com> wrote: > On Fri, 31 Jan 2014 22:18:34 -0700, Scott W Dunning <swdunn...@cox.net> > declaimed the following: > >> Any chance you guys could help with another question I have? Below is a >> code to a different problem. The only thing I don’t understand is why when >> calculating the 'discounted price’ you have to subtract 1? Thanks again >> guys! >> > > Because the discount rate you have is the amount taken OFF the price. > But you need the price AFTER removing the discount amount 100% (1.0) - 40% > (0.4) discount => 60% (0.6) final price > >> price_per_book = 24.95 >> discount = .40 >> quantity = 60 >> discounted_price = (1-discount) * price_per_book >> shipping = 3.0 + (60 - 1) * .75 >> total_price = 60 * discounted_price + shipping >> print total_price, 'Total price' >> > You defined "quantity" but then never used it in the shipping and > total_price lines. > -- > Wulfraed Dennis Lee Bieber AF6VN > wlfr...@ix.netcom.com HTTP://wlfraed.home.netcom.com/ > > -- > https://mail.python.org/mailman/listinfo/python-list -- https://mail.python.org/mailman/listinfo/python-list
