1. a magazine advertise its $12 annual subscription price 70% off the newsstand price. what is the number of dollars per year a reader would spend if the magazine were purchased at the newsstand price?

2. kelsey was delivering lunch to a local office building. kelsey's first delivery was to the middle floor of the building. she then took the elevator up 4 floors for the next delivery, down 6 floors for her third delivery, and up 7 floors for her final delivery. she was then on top floor of the building. how many floors were in this office building?

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