Explore IDNLearn.com to discover insightful answers from experts and enthusiasts alike. Join our interactive Q&A community and get reliable, detailed answers from experienced professionals across a variety of topics.

An athlete runs 4 miles in 50 minutes on a
treadmill. At this rate:
a. How many minutes per mile will it take the
athlete to run?
b. How long will it take the athlete to run 9
miles?