SOLUTION: A plane makes the trip from Acton to Banville at 800 km/h. The return, at 1000 km/h, takes 1/2 hour less than the initial flight. Find the distance between the towns.
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Question 555001: A plane makes the trip from Acton to Banville at 800 km/h. The return, at 1000 km/h, takes 1/2 hour less than the initial flight. Find the distance between the towns. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = time in hours for 1st flight
Let = distance between towns in km
Equation for A to B:
Equation for B to A:
----------------------------
Bt substitution: hrs
and, since
The distance between the towns is 6,000 km
check:
OK
