An algebra problem by Shadman Moyeem
A man went to a shopping mall.There he found a escalator which can move upward, stood still. When he used it to get up next floor he counted 60 stairs in it, but when he used it to get down he counted 90 stairs. What was the actual number of stairs in the escalator?
Note:P=W/t.
The answer is 72.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
0 solutions
No explanations have been posted yet. Check back later!