3 years ago

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

Mathematics

1 answer:

irakobra [83]3 years ago

3 0

Answer:

40 seconds

Step-by-step explanation:

Ratio of 15:30 = 1:2

20:x

x = 20 x 2 using ratio, also stop putting these Maths challenge qs on website.

x = 40 :)

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