A and S walk up an escalator. The escalator moves at a constant speed A
takes 9 steps for every 16 of S's steps. A gets to the top of the
escalator after having taken 30 steps while S, because of his faster
pace, ends up taking 40 steps to reach the top. If the escalator was
turned off, how many steps wud they have to take to walk up?

1) 75
2) 70
3) 50
4) 65

• ans: 70
  
  30/9(x) +30 = 40/16(x)+40 solve x and put it any on of the side ans will be same
• 8 years agoHelpfull: Yes(0) No(0)