Your friend tells you that if you let her keep 20 2020 of your Pokemon cards for three months, she will give you 2 22 cards extra when she returns your cards to you. What is the annual rate of interest she is willing to pay for the borrowed cards?

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{ {