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Donald Trump pushed back on a question about why he took time out from the campaign trail to attend the opening of his Washington, D.C. hotel. 

"To people who say, you're taking time out of swing states to go do this, you say [what]?" CNN's Dana Bash asked.

"I think it's a very rude question, to be honest with you," Trump answered. 

He pointed out that the day before he did eight campaign stops and three major speeches and has been keeping a similar schedule for weeks.

"I'm going to North Carolina right now, then I'm going to Florida, I'm going up to New Hampshire. For you to ask me that question is actually very insulting, because Hillary Clinton does one stop and then she goes home and sleeps, and yet you'll ask me that question," he said. 

Trump said his attendance at the event was also about supporting his children who worked on the hotel. 

"I want to back my children. My children worked very hard, Ivanka in particular. And at the opening of the hotel, I want to back my children. It's very important to me," he said, adding that he wanted to emphasize to the American people that the project was "under budget and ahead of schedule." 

In an interview with ABC News, Trump called it "unfair" that he was being asked about leaving the campaign trail when Hillary Clinton goes to an Adele concert after doing one campaign stop. 

"Nobody complains when she goes to an Adele concert all night long while I'm making two speeches at rallies with massive crowds," he told George Stephanopoulos.

Watch the clips and the Fox & Friends reaction above. Plus, hear from Trump tonight at 8:00 ET on "The O'Reilly Factor."

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