When John gives his sister 1/4 of his money, he parts with 1/4*100 = <<1/4*100=25>>25 dollars

Johns remains with 100-25 = <<100-25=75>>75 dollars.

When he buys groceries worth $40, he remains with 75-40 = <<75-40=35>>35 dollars

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John receives $100 from his uncle and gives his sister Jenna 1/4 of that money. He goes and buys groceries worth $40. How much money does John have remaining?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
35
John receives $100 from his uncle and gives his sister Jenna 1/4 of that money. He goes and buys groceries worth $40. How much money does John have remaining?
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