He drinks 20 ounces of water a day because 4 x 5 = <<4*5=20>>20

The drinks 140 ounces in a week because 7 x 20 = <<7*20=140>>140

He will fill it up 4 times because 140 / 35 = <<140/35=4>>4

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Matthew drinks 4 glasses of water per day. Each glass is 5 ounces. He decides to just buy a 35 ounces water bottle. How many times will he fill it each week?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
4
Matthew drinks 4 glasses of water per day. Each glass is 5 ounces. He decides to just buy a 35 ounces water bottle. How many times will he fill it each week?
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