Cal added 2 3/8 cups of raisins. write this mixed number as a fraction greater than 1 in simplest form ( do it in 4th grade )

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {