<PRE><B>Question 183671</B>
A jetplane and a tanker plane are 350 miles apart. They head towards each other so the jet can refuel. The jet flies 250 mi/hr faster than the tanker. Determine the speed of each aircraft if they meet in thirty minutes. 
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Rate Equation: distance/time = rate
350 mi/(1/2)hr = 700 mph
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Tankar speed is x ; Jet speed = 250
Equation: 
x + (x + 250) = 700
2x = 450
x = 225 mph (tankar speed) 
x+50 = 275 mph (jet speed) 
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Cheers,
Stan H.</PRE>