A marathon runner ran the first 5 mi. in 32.5 min. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 mi?

Answer 1

just set up a simple proportion

t/32.5 = 26.2/5
t = 32.5(26.2)/5 = 170.3 minutes
= 2hrs , 50.3 minutes