Respuesta :

Answer:

x=2.5,y=8.75

Step-by-step explanation:

∵△ABC~△ADE

∴[tex]\frac{AC}{AE} =\frac{AB}{AD} \\\frac{8}{10} =\frac{10}{10+x} \\10+x=12.5\\x=2.5\\\\\frac{AC}{AE} =\frac{BC}{DE} \\\frac{8}{10} =\frac{7}{y} \\8y=70\\y=8,75[/tex]