Let Rachel get x pie , Sally get 2x pies and Fabio gets 4x pies.
So total number of pies =
[tex] x+2x+4x=7x [/tex]
And the percentage of number of pies Sally get
[tex] \frac{2x}{7x}*100 = \frac{200}{7}=28.57% [/tex]
Therefore Sally get 28.57% of pies.
