Help with this math question?

Question

4  kids are running to become more physically fit. For every 5 miles Ben runs, Nolan runs 4 miles. For every 3 miles Jillian runs, Josie runs 2.5 mile.Can you write a ratio of miles Nolan runs to miles Jillian runs? YES or NO? Why or why not? 

 

 

Answer 1

Ben/Nolan = 5/4

Jilliette/Josie = 3/2.5 = 6/6

Nolan/Jiliette = ?? = x/y

insufficient information to calculate