Help! Will give will give brainist 1. An airplane flies 1431 miles in 2 hours 15 minutes. What is its average speed in miles per hour?

2. A train travels 76 miles in 1 7/12 hours. What is its average speed in miles per hour?

3. An airplane flies 1914 miles in 2 3/4 hours. What is its average speed in miles per hour?

4. A train travels 102 miles in 2 5/6 hours. What is its average speed in miles per hour?

5. Tracy runs 26.2 miles in 3 hours and 45 minutes. What is her average pace in minutes and seconds?