How fast did Zane climb? I attached 3 pictures of the problem. Please answer quick, Thanks :)

( 20 points! )

How fast did Zane climb I attached 3 pictures of the problem Please answer quick Thanks 20 points class=
How fast did Zane climb I attached 3 pictures of the problem Please answer quick Thanks 20 points class=
How fast did Zane climb I attached 3 pictures of the problem Please answer quick Thanks 20 points class=