He expression0.50a+0.65prepresents the total cost of a apples and p pears. if tonya bought 10 pears and spent a total of $10.00, how many apples did she buy?

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{ {