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February 28, 2015

Homework Help: Math

Posted by Kelsey on Wednesday, May 14, 2008 at 2:00am.

I need help with this problem:

Two planes start from Los Angeles International Airport and fly in opposite directions. The second plane starts hour after the first plane, but its speed is 80 kilometers per hour faster. Find the airspeed of each plane if 2 hours after the first plane departs the planes are 3200 kilometers apart.

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