Respuesta :

Let's find the scale factor

[tex]\\ \sf\longmapsto \dfrac{15}{20}=\dfrac{12}{16}=\dfrac{9}{12}[/tex]

[tex]\\ \sf\longmapsto \dfrac{3}{4}=\dfrac{3}{4}=\dfrac{3}{4}[/tex]

[tex]\\ \sf\longmapsto 0.7=0.7=0.7[/tex]

Scale factor is 3/4 or 0.7

9/12=12/16=15/20
Scale factor is 0.75 or 3/4