What are we supposed to solved X or Y, what kind of answer need be for specific please
Answer:
A ). 12
Step-by-step explanation:
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

It's A because 6^4=6×6×6×6