Let x represent the number of erasers Gabriel collected.

Celine collected 2*x erasers.

Julian collected 2*x*2=4*x erasers.

In total, Gabriel, Celine and Julian collected x+2*x+4*x=7*x erasers.

7*x=35

x=<<5=5>>5

Celine collected 5*2=<<5*2=10>>10 erasers.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Celine collected twice as many erasers as Gabriel did. Julian collected twice as many erasers as Celine did. If they collected 35 erasers in total, how many erasers did Celine collect?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
Celine collected twice as many erasers as Gabriel did. Julian collected twice as many erasers as Celine did. If they collected 35 erasers in total, how many erasers did Celine collect?
train