The graph shows the relationship between the length of time Ted spends knitting and the number of scarves he knits. 1\small{1} 1 2\small{2} 2 3\small{3} 3 4\small{4} 4 20\small{20} 20 40\small{40} 40 60\small{60} 60 80\small{80} 80 hours scarves (1,16)(1,16) (1,16) What does 1616 16 16 mean in this situation?