Respuesta :

SquishySquid
Yes Adam is correct because he went 20ft to the left (20) and the 20ft to the right (-20) if you add these two numbers together 20+(-20) it would equal 0. I hope this helped ^^
VinylScratchEC1101
Yes because if you add 20 to 0 then take 20 from 20 you end up with 0 again, 0 being where you started.