Four typists can type a total of 600 memos in three days. At that rate, how many memos can three typists type in one day?
<|im_start|>system
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<|im_start|>user
Four typists can type a total of 600 memos in three days. At that rate, how many memos can three typists type in one day?
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<|im_start|>assistant

user
150
Four typists can type a total of 600 memos in three days. At that rate, how many memos can three typists type in one day?
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