Lamont thinks his neighbor sends subliminal messages to hi…

  Lamont thinks his neighbor sends subliminal messages to his brain. To prevent these messages, Lamont believes he should not shower or change his clothes every day. Lamont does not meet the criteria for a diagnosis of schizophrenia, but he may be experiencing long-lasting, maladaptive patterns of interacting with the world around him. In this case, Lamont may be diagnosed with  

The Snack Shack sells two snack packs.  Pack 1 contains a ca…

The Snack Shack sells two snack packs.  Pack 1 contains a candy bar and one piece of fruit for $5.  Pack 2 contains two candy bars and three pieces of fruit for $12.  On a given day, the Snack Shack has 70 candy bars and 90 pieces of fruit.  They can sell every snack pack they prepare.  How many of each type of pack should they prepare in order to maximize revenue?   Choose the option that could be used to solve the problem.  Let x represent the number of Pack 1 snack packs prepared and let y represent the number of Pack 2 snack packs prepared.    

A company shipped out a total of 100 packages, some by stand…

A company shipped out a total of 100 packages, some by standard shipping, some by priority shipping, and some by express shipping, with total shipping costs of $624.  The costs per package were $4 for standard shipping, $8 for priority shipping, and $12 for express shipping.  The number of packages shipped by priority was 20 more than the number shipped by express shipping.  Set up and solve a system of equations to find how many packages were shipped by standard shipping.