Recent content by daveyc3000

Re: need help solving this problem..ims tuck Nothing but I have found the answer and now understand the problem Thanks !

"Greg and Kristine are on opposite ends of a zip line that crosses a gorge. Greg went across the gorge first, and he's now on a ledge that's 15 m above the bottom of the gorge. Kristen is at the top of a cliff that is 72 m above the bottom of the gorge. Jon is on the ground at the bottom of the...