Steve the builder was plastering a wall while standing on a ladder..he noticed that the number of rungs/steps below,the rung he was standing on was 1/3 of the numbers of rungs above where he was standing.

Question

Then he climed another 10 rungs/steps and he also notice that the number of rungs below and above where he was standing are now equal....how many rungs are on the ladder

Answer 1

If the number below was x, then

x + 3x = 2(x+10)
x = 10

check:
10+30 = 20+20