Question

a desk is on sale for $391, which is 32% less than the regular price. What is the regular price

Answer 1

Let's say a is the original price and b is the price with a 32% discount.
a*0.68=b
Wchi is close to 
1.47058 * b = a
Our new price is $391 so...
1.47058 * 391 = a
a = $575