First, we have to come up with the balance before her withdrawal. $950 (current) + $250 (withdraw) = $<<950+250=1200>>1200.

Now since we know that is triple, we divide by 3. $1200 / 3 = $<<1200/3=400>>400

# Answer

400
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The balance of Pam's bank account tripled during the year. At the end of the year, Pam withdrew $250. If her current balance is $950, how much did she have in the bank account at the beginning of the year?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
400
The balance of Pam's bank account tripled during the year. At the end of the year, Pam withdrew $250. If her current balance is $950, how much did she have in the bank account at the beginning of the year?
train