*PLEASE HELP I'LL MARK YOU BRAINLIEST*
Tamra goes to the movie with a group of her friends. The cost of 2 tickets and 4 candy bars is $22.50. The cost of 3 tickets and 2 candy bars is $27.75. She would like to plan another trip to the movies with herself and six friends. How much money should Tamra save if she wants to buy everyone, including herself, one ticket and one candy bar?