two planes leave from the same airport at the same time but travel in opposite directions one flies 60 mi/h faster than the other they are 1820 miles apart after 2 hours how fast is each plane traveling?
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two planes leave from the same airport at the same time but travel in opposite directions one flies 60 mi/h faster than the other they are 1820 miles apart after 2 hours how fast is each plane traveling?
有两架飞机从同一个机场出发向相反的方向飞,其中一个飞机的速度比另一架快60英里/h,两小时过后他们相聚1820英里,试问:他们各自的速度是多少?
设一架飞机 的速度为x,则另一个位x+60
2x+2(x+60)=1820
解得x=425
所以一个速度为425 另一个为485
two planes leave from the same airport at the same time but travel in opposite directions one flies 60 mi/h faster than the other they are 1820 miles apart after 2 hours how fast is each plane traveling?
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