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July 3, 2015

Homework Help: Math (URGENT)

Posted by John on Monday, May 24, 2010 at 7:13pm.

A word problem.

David flew 300km on a commuter plane, then 2000km on a passenger jet. The passenger jet flew twice as fast as the commuter plane. The total flying time for the journey was 3.25 hours. What was the speed of each plane, in kilometers per hour?

Please help. I've been trying to tackle this problem for an hour+ and had no luck solving it.

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