Arectangular prism is 11 3/5 meters long, 9 meters wide, and 12 1/2 meters high. what is the volume, in cubic meters, of the prism?

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?