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horrorfan [7]
3 years ago
6

Thomas has constant speeds for both running and walking. When a down-escalator is moving, Thomas can run down it in

Mathematics
2 answers:
Anna71 [15]3 years ago
6 0
35 seconds or 40 seconds
Natalka [10]3 years ago
5 0

I got 40

since 15x2=30

so then 20x2= 40

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