a jeweler makes bracelets from silver chain she made 7 bracelets that were each 5 3/4 inches long she also made 3 bracelets that were each 6 1/2 inches long what is the total length in inches of silver chain that the jeweler used to make all 10 bracelets

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?