Respuesta :
Here is how I would do it 10/2=5/2=2.5/2=1.25/2=.625 so it would have traveled .625 feet. Hope this helps.
10+5+5+2.5+2.5+1.25+1.25 = 27.5 Feet. The ball goes down 10 then up 5 and 5 back down, up 2.5 etc...