If Sophie has twice as many dolls as Vera, then she has 2 * 20 dolls = <<2*20=40>>40 dolls

Aida has 2 * 40 dolls = <<2*40=80>>80 dolls, twice the number Sophie has.

In total, they have 80 dolls + 40 dolls + 20 dolls = <<80+40+20=140>>140 dolls

# Answer

140
Question:
Aida has twice as many dolls as Sophie, and Sophie has twice as many dolls as Vera. How many dolls do Aida, Sophie, and Vera have combined if Vera has 20 dolls?
Answer:
Let's think step by step.

user
140
Aida has twice as many dolls as Sophie, and Sophie has twice as many dolls as Vera. How many dolls do Aida, Sophie, and Vera have combined if Vera has 20 dolls?
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