Some of the students at Georgia Middle School like to walk to and from school. They always walk unless it rains. Let d be the distance in miles from a student's home to the school. Write two different expressions that represent how far a student travels by walking in a two week period if there is one rainy day each week.
Expression 1: 2d - The student walks to and from school every day for two weeks, with no rain.
Expression 2: 10d - The student walks to and from school every day for two weeks, except on the rainy days.