I have worked at this for the past week with some success, but the output is not consistant.
Below are links to two add to cart pages with two different prouducts.
I find that many times the order will be correct the first time, but if I add additional items to the cart, they will no constantly list in the cart.
I am attaching the php page file for review. This site is for a tour company. Each tour can multiple times and has two prices, one for adults, one for children,