Respuesta :
Answer:
200
Step-by-step explanation:
90=.45x (x being the number)
(multiply by 100/45)
90(100/45)
9000/45=
x=200
Answer is 200
Since if 50% would mean 100, double it to get the 100%, which is 200
Since if 50% would mean 100, double it to get the 100%, which is 200