Answer:
All but the last
Step-by-step explanation:
Every 4 cm takes one second so y = ¹/₄x
and [tex]\frac14=\frac{1\cdot5}{4\cdot5}=\frac5{20}[/tex] so y = ⁵/₂₀x also apply
and:
[tex]y\ =\ \frac14x\\^{\div\, x}\quad\ ^{\div\, x}\\\frac yx = \frac14[/tex]
so the third also apply
