Answer: $600
Explanation:
The marked price is the price of the trouser without a sales tax.
The sales tax is 10% which means it increased the marked price by 10% to get to $660.
Assume that price is x:
660 = (1 + 10%) * x
x = 660/(1 + 10%)
x = $600
8.3m questions
10.9m answers