Answer:
4 is the answer
Step-by-step explanation:i dont have an explanation but i had this sa e paper before trust me
The answer is 10.8. You turn 10 4/5 into 54/5. Then you divide 54 by 5.
Answer:37.2 sec
Step-by-step explanation:
Given
Joel takes 81 sec for 14 mile long track
speed of joel
mi/min=10.37 mi/min
Jason takes 69 sec for 14 mi track
so jason speed is 
if both starts from same spot in opposite direction then

where x is distance covered by Joel
then x=6.44 miles
therefore time required

The answer is 10. Hope it helps!