Respuesta :

kruise

Answer:

112.5

Step-by-step explanation:

[tex]\frac{90}{?} =\frac{80}{100}[/tex]

you would then cross multiply. 90 x 100 and 80 x ?

you will then have 9000 = 80?

divide 9000 by 80 and you will get ? = 112.5

Its 112.5 hope this helps. :)