SOLUTION: an air force jet and refueling plane, which are initially 210 km/he apart, fly toward each other. If their rates are 800 and 250km/hr, how long will it take for them to meet

Question 1045212: an air force jet and refueling plane, which are initially 210 km/he apart, fly toward each other. If their rates are 800 and 250km/hr, how long will it take for them to meet
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Since their speeds will add, you can think
of this as one of them standing still and
the other one moving at the sum of their
speeds
---------------
Let = time in hrs for them to meet

hrs
convert to minutes:

It will take them 12 minutes to meet
-------------------------
check:

and

------------------

OK
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