Answer:
yes
Step-by-step explanation:
Yes they are proportional
[tex]\frac{4}{1}[/tex]·[tex]\frac{5}{5}[/tex] [tex]= \frac{20}{5}[/tex]
Also [tex]\frac{20}{5}[/tex] simplified is 4 or [tex]\frac{4}{1}[/tex]
