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Yanka [14]
3 years ago
13

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 flowe

rs 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
Mathematics
2 answers:
Firdavs [7]3 years ago
5 0
On this question, we can use the order of operations. ( pemdas )

First, we must fill in the missing numbers.
9*21 + (3*3)21 + 12

Start in the parentheses.
(3*3)21 = 9*21 = 189
189+189+12

The rest is just addition now!
189+189+12=390

390 is the correct answer.
Aleksandr [31]3 years ago
5 0

The correct answer is D. 390

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total area = 1,100 inches squared.

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