Respuesta :
[tex]\blue{let\:0.8\:=\:x}[/tex]
[tex]\green{0.8 \times 10\:=\:10x}[/tex]
[tex]\orange{8\:=\:10x}[/tex]
[tex]\purple{\frac{8}{10}\:=\:x}[/tex]
[tex]\blue{By\:Simplifying:\:\:\frac{4}{5}\:=\:x}[/tex]
[tex]\red{I\:Hope\:Its\:Helpful}[/tex]