Agroup of ten uic professors each contributed an equal amount to the purchase of a state of illinois lottery ticket. two of them had to withdraw because of lack of funds, causing the share of the remaining professors to increase by $2.40. how much is the cost of the ticket (in dollars)

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: