Respuesta :

Answer:

[tex]\boxed{\boxed{\sf 1 \ by \ 2 }}[/tex]

500/25 = 100/y

100/5 = 100/y

20 = 100/Y

200/1 = 100/Y

By cross multiplication

200 × Y = 100 × 1

Y = 100 /200

Y = 1/2

500 100
——- = ——
25 5
Basically you just have to divide 500/100 and do the same for the bottom 25/5 = 5