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A robot moving forward at a constant speed takes 2.5 hours to travel 1 kilometer. Moving forward at this same constant speed, it takes the robot 90 seconds to travel the length of a particular hallway. How many meters long is the hallway?

 May 26, 2020
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1000 m / 150 min    x   1.5 min =   .........   m  

 

1 km = 1000 m

2.5 hr = 150 min

90 sec = 1.5 min

 May 26, 2020

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