Let the price of the car be represented by = x
Commission rate of Octavio = 6 %
Commission earned on selling a car at $x = $900
So, equation becomes =
[tex]\frac{6}{100}*x=900[/tex]
[tex]6x=90000[/tex]
[tex]x=15000[/tex]
Hence, the price of the car is $15000.