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Answer :

Answer:

18, there are 18 blueberries

Step-by-step explanation:

81÷9=9

2×9=18

Answer:

18 blueberries

Step-by-step explanation:

Let no. of blueberries be b.

=> 2 : 9 = b : 81

=> b = 2 x 81 / 9

=> b = 2 x 9

=> 18 blueberries

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