Answer:
huh?
Step-by-step explanation:
Answer:
36 minutes
Step-by-step explanation:
helicopter 1 is ahead of helicopter 2 by 90 miles
the difference in their speeds is 150 mph
90/150=3/5 of hour
3/5*60=36 minutes
The square root of 63 is about 7.9, which is between 7 and 8