An online music store sells songs on its website. wach song is the same price. the cost to purchase 8 songs is $10. create and equation to represent the relationship between the total cost, c, and number of songs ,s, purchased?

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?