500
Use estimation:
Joanne set a goal to hike 14 miles in 3 days. She hiked 3 5/6 miles on the first day, 5 7/9 miles on the second day, and 4 2/3 miles on the last day. Did she make her goal of 14 miles? Explain.
What is yes, Joanne made her goal of hiking 14 miles in 3 days. 3 5/6 rounds to 4, 5 7/9 rounds to 6, and 4 2/3 rounds to 5, which is 15.