A painter has painted 75% of a wall. The area he painted so far is 108 square feet. What is the total area of the wall that he needs to paint? Whoever has the best explanation gets brainliest

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?