Answer: k < 3.5
explanation: < means less than and > means more than and = means equal to so k < (less than) 3.5
30 minutes / 3 miles = 10 minutes for 1 mile
7 miles * 10 minutes per mile = 70 minutes total to run 7 miles
Li should use the tenths place as this is the most specific value supplied that still offers a difference in values.
Your answer is 138.61440
Hope this helps.