Lisa has a bag of 30 beads to make jewelry there are equal number of orange green and blue need to do the only colors Lisa choose a Bead randomly from the bag what is the probability that she will choose a green or blue bead

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?