document.write( "Question 643610: A plane flies from San Francisco to New York a distance of 4,000km in 4hrs 30 mins. What was the speed of the plane? \n" ); document.write( "
Algebra.Com's Answer #404548 by Alan3354(69443)\"\" \"About 
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A plane flies from San Francisco to New York a distance of 4,000km in 4hrs 30 mins. What was the speed of the plane?
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\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t\r
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