Question
The distance between Min's home and the bank is 320 m. After walking 120 m from her home to the bank, she stopped and walked back another 90 m to a coffee shop. What is the distance from the coffee shop to the bank?
4 m

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The distance between Min's home and the bank is 320 m. After walking 120 m from her home to the bank, she stopped and walked back another 90 m to a coffee shop. What is the distance from the coffee shop to the bank?