Brittney can chop 15/5 = <<15/5=3>>3 onions in one minute.

Carl can chop 20/5 = <<20/5=4>>4 onions in one minute.

Brittney can chop 3 x 30 = <<3*30=90>>90 onions in 30 minutes.

Carl can chop 4 x 30 = <<4*30=120>>120 onions in 30 minutes.

Carl can chop 120 - 90 = <<120-90=30>>30 more onions than Brittney in 30 minutes.

# Answer

30
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Brittney can chop 15 onions in 5 minutes. Carl can chop 20 onions within that same time. How many more onions can Carl chop in 30 minutes than Brittney?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
30
Brittney can chop 15 onions in 5 minutes. Carl can chop 20 onions within that same time. How many more onions can Carl chop in 30 minutes than Brittney?
train