Question

me ajudem , por favor!!!!!

Answer 1

$\frac {50}{x}=\frac{40}{15}\\\\x=\frac{50.15}{40} =18,75\\\\\frac{18,75}{y} =\frac{15}{25} \\\\y=\frac {18,75.25}{15} =31,25$

agora o c)

$\frac{x}{16} =\frac{50}{20} \\\\x=\frac{50.16}{20} =40$