Justin bought 5 1/2 kg of bird seed. He used 2 2/3 kg on his blue bird feeder and used 1 1/4 kg for his red bird feeder, How many kilograms of bird seed did Justin have left? Write one or more equations to show how you reached your answer.

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{ {