I will give you the webpage for it, since I am not allowed to give answer out.
http://www.etymonline.com/index.php?term=stomach
You should be able to figure it out using this link
Answer:
Lisa, an experienced shipping clerk, can fill a certain order in 9 hours. Felipe, a new clerk, needs 10 hours to do the same job. Working together, how long will it take them to fill the order?
Walking and even petting dogs appears to be associated with reduced risk of (A)<span> blood pressure and heart rate. Having a walk regularly will help you have a normal blood circulation. It will regulate the pumping of your blood from your heart in a normal way. It will also help you to lose weight and make you healthier.</span>