Answer:
Step-by-step explanation:
distance = rate*time
d=r*t
d=(r-83)*5
6005 = r*5+(r-83)*5
6005 = 5r + 5r - 415
6005 = 10r - 415
6005 + 415 = 10r
6420 = 10r
r = 6420/10
r = 642 mph for the faster jet
r - 83 = 642 - 83 = 559 mph for the slower jet
Hope this helps!