$$x \times 65\textbackslash\% = 52$$  $$x = 80$$ 
A basketball is on sale with 35\% off, the discounted price is $$52$$ dollars, the original price of the basketball wasdollars． 
[1] $$18.2$$ 
[2] $$33.8$$ 
[3] $$80$$ 
[4] $$148$$ 