Posted by Joy on Friday, October 14, 2011 at 6:44am.
A jet leaves the Charlotte, North Carolina, airport traveling at an average rate of 564 km/h. Another jet leaves the airport one half hour later traveling at 744km/h in the same direction. Use an equation to find how long the second jet will take to overtake the first.

Algebra  Reiny, Friday, October 14, 2011 at 8:08am
Use the fact that at the moment of "overtaking" they would have gone the same distance
Time for slower plane  t hrs
time for faster plane  t1 hrs
564t = 744(t1)
continue, solve for t ,

Algebra  Steve, Friday, October 14, 2011 at 4:15pm
that was a half hour later.
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