vck21cardona vck21cardona 26-04-2024 Mathematics contestada Customers at a sandwich shop are given a pull-tab card with every purchase, and every card is a winner. Warren has received 9 cards, with his winnings of: $9.00$8.00$9.00$9.00$9.00$9.00$6.00$7.00$6.00 What was the mean amount won?