Mrs. Colen took a trip. She drove 350 miles in 7 hours and 30 minuets. what is her average speed to the nearest tenth of a mile per hour

Diatance travelled by her = 350 miles

amount of time taken by her to travel 350 miles = 7 hrs 30 mins

=450 mins

average speed travelled by her to the nearest tenth of a mile per hour = 450*60/100

=270/10

=27

therefore he travelled 27 miles to the nearest tenth of a mile per hour.

7 hours and 30 minutes is 7.5 hours. Average speed can be found by taking distance and dividing it by time. 350 miles/7.5 hours=46.6666 miles per hour. Rounded to the nearest 10th that is 46.7 mi/hr