Danica is arranging flowers for a party. on each table, t, there will be a vase of 9 flowers and 3 bowls of flowers with f flowers inside. danica needs an additional 12 flowers for a cake topper. this situation can be written as the following expression: . 9t + (3f)t + 12. how many flowers should danica purchase if she has 21 tables with 3 flowers in each bowl? . 69. 189 . 378 . 390