Rio Coffee Shoppe sells two coffee drinks-a regular coffee and a latte. The two drinks have the following prices and cost characteristics: Sales price per cup
Regular coffee-1.60
Latte-2.60
Variable cost
Regular coffee-0.60
Latte-1.00
The monthly fixed costs at Rio are $8,260. Based on experience, the manager at Rio knows that the store wells 70 percent regular coffee and 30 prevent lattes.
How many cups of regular coffee and lattes must Rio sell every month to break even?

Penny poodle wanted to know which dog obedience training program was more effective: puppy pride, the approach she has been using for any years, or doggie do-right, a new approach. penny convinced 50 human companions of untrained dogs to participate in her study. the dogs and their humans were randomly assigned to complete the puppy pride or doggie do-right course. at the end of the training programs, all of the dogs were scored on their level of obedience on a standardized dog obedience checklist (scores could range from 10 to 100). the design of this study is: