Respuesta :

emilychia05052010

Answer:

40%

50-30=20         50x2=100 so, 30x2=6  and 20x2=40 the new equation will be 100-60=40

Answer:

Step-by-step explanation:

discount = orignal price - new price divided by oringinal price

50 -30/50

= 20/50

=.40

=40%