http://blogs.msdn.com/nabeelp/archive/2008/02/29/easy-brain-teaser-1-quick-chores.aspxDifficulty Level: Easy Two children have the following chores to do, before they will be allowed to play Halo 3. Mow the lawn. Wash the dishes. Wash the car. When done by one child each of these chores will take 1 hour to complete. If they were to starten-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/nabeelp/archive/2008/02/29/easy-brain-teaser-1-quick-chores.aspx#7944340Fri, 29 Feb 2008 11:11:43 GMT91d46819-8472-40ad-a661-2c78acb4018c:7944340Robert MacLean<p>1.5 hours or 10:30 am</p> <p>9am:</p> <p> &nbsp;Child 1: 30min on lawn mowing</p> <p> &nbsp;Child 2: 1 hour wash dishes</p> <p>9:30am:</p> <p> &nbsp;Child 1: 1 hour wash car</p> <p>10am:</p> <p> &nbsp;Child 2: 30min on lawn mowing</p> <p>10:30am: Both finish</p>http://blogs.msdn.com/nabeelp/archive/2008/02/29/easy-brain-teaser-1-quick-chores.aspx#8018734Tue, 04 Mar 2008 07:26:33 GMT91d46819-8472-40ad-a661-2c78acb4018c:8018734Nabeel Prior<p>Bang on the money, Robert. &nbsp;By leaving any one of the chores half done, and the other child then completing the chore, both children will finish in 1.5 hours.</p>http://blogs.msdn.com/nabeelp/archive/2008/02/29/easy-brain-teaser-1-quick-chores.aspx#8421750Thu, 24 Apr 2008 17:35:49 GMT91d46819-8472-40ad-a661-2c78acb4018c:8421750Alistair Lacy<p>I was waiting for the BizTalk Orchestration solution :)</p>