Answer: The regular price is $820
Step-by-step explanation
Let the regular price be x,
The original price is x = 100%
The sales 533 = (100 -35)%
i.e the sales price 533 = 65%
The sales price is therefore given;
x/100 = 533/65
x = (100 x 533)/65
x = $820
The regular price is $820