Thomas has constant speeds for both running and walking. When a down-escalator is moving, Thomas can run down it in 15
seconds or walk down it in
30
seconds. One day, when the escalator was broken (and stationary), it took Thomas
20
seconds to run down it.

How long, in seconds, would it take Thomas to walk down the broken escalator?

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 :)

the option best identifies the textual evidence that supports this conclusion is c.) when an argument is over, how many weighty reasons does a man recollect which his heat and violence made him utterly forget? in order to recognize textual evidence is to identify the topic sentence where the author states the main idea. textual evidence is what supports the topic sentence or main idea of a passage.

b segment jm is correct i think