In 2016 Sela traveled from her home in Flagstaff to San Francisco to seek specialized medical care. Because she was unable to travel alone, her father accompanied her. Total expenses included: Hotel room en route ($150 times 2 rooms times 3 nights): $900 Mileage, 1,000 miles Doctors bills in San Francisco: 1,600 The total medical expenses deductible before the 10% limitation are...

The answer is $2,090, but I cannot figure out how to get that. Can you please explain the steps to me.