Jenny spent 1 - 3/7 = 4/7 of her money.

Since 4/7 is equal to $24, then 1/7 is equal to $24/4 = $6.

So, Jenny originally had $6 x 7 = $<<6*7=42>>42.

Therefore, half of her original amount of money is $42/2 = $<<42/2=21>>21.

# Answer

21
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Jenny had $24 left after spending 3/7 of her money. How much is half of her original amount of money?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
21
Jenny had $24 left after spending 3/7 of her money. How much is half of her original amount of money?
train