Mathematics, 15.01.2021 22:00, anonymous1813

A girl starts to walk to her school, which is 20 miles away and at a rate of 3 miles per hour. After a while, her dad picks her up and drives her through the remainder of the way at 30 miles per hour. If they arrived at school at 9:00,how far did she walk?

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A girl starts to walk to her school, which is 20 miles away and at a rate of 3 miles per hour. After...