Two trains leave stations 378 miles apart at the same time and travel toward each other. One train travels at 95 miles per hour while the other travels at 115 miles per hour. How long will it take for the two trains to meet? Do not do any rounding.

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?