I really need help!! (12 points)

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

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?