A student athlete runs 3 1_

3 miles in
30 minutes. A professional runner can run
1 1_
4 times as far in 30 minutes. How far can
the professional runner run in 30 minutes?

3 answers

3 1/3 = 10/3
1 1/4 = 5/4

10/3 * 5/4 = 50/12 = 25/6 = 4 1/6 miles
(3+1/3) * (1+1/4) = 10/3 * 5/4 = 25/6 = 4 1/6
4 1/6