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An elevator starts on the 100th floor. It descends 4 floors every 10 seconds. At what floor will the elevator be 60 seconds after it starts?

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ferretgirl02
so is 4 floors / 10 seconds
If you have 60 seconds you can multiple 10 by 6 because 10×6=60
so you also have to multiple 4 by 6
4×6=24
and because it's descending it's 100-24= 76
It would be at the 76th floor because 10 seconds times 6 seconds is equivalent to 60 seconds. So you would also multiply the 4 floors by 6 to get 24. You would finally subtract 100 an 24 to get the 76th floor. Hopes this makes sense, and I hoped this helped!

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