The right answer is: How much is this sweater?. And you can use: How much money does this sweater cost?

There are many options but some of the most common ones are: 1. How much does this sweater cost? 2. How much is this sweater? 3. How much for this sweater? 4. How much?

You can also say: How much does this sweater cost?

You would say, “How much is this sweater?” Or you could say “What is the cost /price of this sweater?”

How much is this sweater?or How much money does this sweater cost?