Just before 1: 30pm students enter the classroom to find mr. kennedy dead of an apparent homicide. at 1: 30pm the temperature of the body was 90 degrees, while at 3pm it was 70 degrees. the room is kept at 67 degrees what is the time of death

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?