Judy's weight

Judy was trying to lose weight. she weighed 180 pounds. So she ran for 4/2 hours on sunday and lost 4/2 pounds. She was so happy with the results she decided to run for 9/3 hours the next day and she lost 6/2 pounds. She ran again the next week for 8/2 hours and she lost 8/2 pounds. How many hours did she run, and how much weight did she lose?How much would Judy weight now?

4/2 + 9/3 + 8/2= 12/6 + 18/6 + 24/6= 54/6= 9

judy ran for 9 hours

4/2+6/2+8/2=18/2=9

judy lost 9 pounds

180/1-9/1=171/1=171

judy now weighs 171 pounds