For football tryouts, 12 coaches and 42 players will split into groups. each group will have the same numbers of coaches and players. what is the greatest number of groups that can be formed?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?