In attempting to fly from city P to city Q, an aircraft followed a course that was

Question:

In attempting to fly from city P to city Q, an aircraft followed a course that was 10° in error, as indicated in the figure.After flying a distance of 50 miles, the pilot corrected the course by turning at point R and flying 70 miles farther. If the constant speed of the aircraft was 250 miles per hour, how much time was lost due to the error?

10° A 70 mi 50 mi R