In 2010, a local dairy queen had $550,000 in sales. in 2011, dairy queen's sales were up 35%. what were dairy queen's sales in 2011?

Find 35% of 550,000 by multiplying 0.35 by 550,000 to get 192,500

And since th sales went up by that much, you add that to the sales from before to get 550,000+192,500=742,500

So your answer is $742,500