document.write( "Question 1102857: 10% of our class of 40 was unable to join the field trip. How many in our class joined the field trip \n" ); document.write( "
Algebra.Com's Answer #717566 by Theo(13342)\"\" \"About 
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10% of 40 = 4
\n" ); document.write( "40 - 4 = 36
\n" ); document.write( "36 were able to join the field trip.
\n" ); document.write( "4 were not.\r
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\n" ); document.write( "\n" ); document.write( "100% - 10% = 90%
\n" ); document.write( "10% couldn't join.
\n" ); document.write( "90% could.
\n" ); document.write( "90% of 40 = .9 * 40 = 36\r
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