document.write( "Question 1084695: if the speed of an aeroplane is reduced by 40km per hr,it takes 20 minutes more to cover 1200km. find the speed of the aeroplane. \n" ); document.write( "
Algebra.Com's Answer #698786 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "if the speed of an aeroplane is reduced by 40km per hr,it takes 20 minutes more to cover 1200km. find the speed of the aeroplane.
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Correct answer: \"highlight_green%28matrix%281%2C4%2C+Speed%2C+%22=%22%2C+400%2C+%22km%2Fh%22%29%29\"
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