Quick and explain. i'm offering 25pts (it's only worth 10pts) and brainliest answer. i've posted like 5 times me

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?