document.write( "Question 916034: If a plane and its (no apostrophe for its: his, hers, its) crew traveled 700km in 3 hours, how long would it take them to travel 2100km? \n" ); document.write( "
Algebra.Com's Answer #555889 by JulietG(1812)\"\" \"About 
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2100 is 3x as many as 700, so it would take them 3x as long
\n" ); document.write( "3 hours * 3 = 9 hours
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