Answer :

[tex] \frac{6miles}{50min} = \frac{x miles}{35 min} \\ 6*35 = 50*x \\ 210 =50x \\ 210/50=50x/50 \\ x=4.2[/tex]
Abdul can run 4.2 miles in 35 minutes
6 miles                    
--------                 ---------
50 minutes       35 minutes

35*6=210

210/50=4.2

FINAL ANSWER:
4.2