One serving of broccoli contains 50 calories and 5 grams of protein. One serving of salmon contains 140 calories and 21 grams of protein. Find the number of servings of each which combined contains 200 calories and 27 grams of protein. How many servings of broccoli are needed

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{ {