Respuesta :

DGBxBigxBrain

Answer:

200

Step-by-step explanation:

90=.45x (x being the number)

(multiply by 100/45)

90(100/45)

9000/45=

x=200

themightypidgen
Answer is 200

Since if 50% would mean 100, double it to get the 100%, which is 200