Respuesta :

Answer:

r=20

Step-by-step explanation:

Answer:

0.1

Step-by-step explanation:

[tex]y = rx[/tex]

[tex]1.4 = r * 14[/tex]

[tex]1.6 = r * 16[/tex]

[tex]2.1 = r * 21[/tex]

[tex]r = 0.1[/tex]