For this case we can make the following rule of three:
20% -------------> 10
100% -----------> x
From here, we clear the value of x:
[tex]x = ((100) / (20)) * (10)
[/tex]
Calculating the value of x we have:
[tex]x = 50
[/tex]
Therefore, Anette collected 50 roses from the garden.
Answer:
she did pick 50 roses from the garden