Respuesta :

Answer:

18 varieties

Step-by-step explanation:

Total varieties of flowers that she planted = 20

100% = 20

1% = 20 ÷ 100 = 0.20

90% = 0.20 x 90 = 18

sk1zyy

Answer:

18 flower varieties have bloomed.

Step-by-step explanation:

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