document.write( "Question 987642: Two planes fly in opposite directions. One travels 425 mi/h and the other 575 mi/h. How long will it take before they are 4,000 mi apart?
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Algebra.Com's Answer #608369 by stanbon(75887)\"\" \"About 
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Two planes fly in opposite directions. One travels 425 mi/h and the other 575 mi/h. How long will it take before they are 4,000 mi apart?
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\n" ); document.write( "They are separating at a rate = 425+575 = 1000 mph
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\n" ); document.write( "Ans: time = distance/rate
\n" ); document.write( "time = 4000/1000 = 4 hours
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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