At summer camp, campers were asked to name their favorite sport. The circle graph shows the percent of campers who preferred each sport. Of the campers surveyed, 39 said that they preferred swimming. How many campers were surveyed in all?

Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!

Solve for x and select the correct answer

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?