Karla sold a bicycle on e-store for $97.50. this selling price represented a 30% profit for her, based on what she had originally paid for the bike. Find Karla's original price for the bicycle.

Respuesta :

randgh
  x + 30% x = 97.5 $

x+ 0.3 x = 97.5

x(1+0.3) = 97.5 

1.3 x =   97.5

x= 97.5/ 1.3=  75 $  its original price