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Mr. Calex left his phone on the top floor of Andrew Building. Unfortunately, the elevators are under repair, so he must take the stairs up. He climbs the stairs at a constant velocity of 0.25 m/s, then goes down at a constant 0.5 m/s. In total, it took him 540 seconds to run up the building and run back down. How many meters tall is Andrew Building?

Mr. Calex left his phone on the top floor of Andrew Building. Unfortunately, the elevators are under repair, so he must take the stairs up. He climbs the stairs at a constant velocity of 0.25 m/s, then goes down at a constant 0.5 m/s. In total, it took him 540 seconds to run up the building and run back down. How many meters tall is Andrew Building?

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter2: Equations And Inequalities
Section2.3: Models And Applications
Problem 20SE: Ben starts walking along a path at 4 mi/h. One and a half hours after Ben leaves, his sister Amanda...
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Mr. Calex left his phone on the top floor of Andrew Building. Unfortunately, the elevators are under repair, so he must take the stairs up. He climbs the stairs at a constant velocity of 0.25 m/s, then goes down at a constant O.5 m/s. In total, it took him 540 seconds to run up the building and run back down. How many meters tall is Andrew Building?
Transcribed Image Text:Mr. Calex left his phone on the top floor of Andrew Building. Unfortunately, the elevators are under repair, so he must take the stairs up. He climbs the stairs at a constant velocity of 0.25 m/s, then goes down at a constant O.5 m/s. In total, it took him 540 seconds to run up the building and run back down. How many meters tall is Andrew Building?
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