All you do is add 23 and 65 to get your answer <span />
The answer to the first part is 3 1/2 and the answer to the second question is 2/7
Since we know the x and y, you would divide 480 by 15 and 32 miles per hour. Then you would multiply 7.2 by 32 and get 230.4. Your trying to find with wind and against wind so just times that by two and get 460.8. I think