document.write( "Question 1189467: The classes in a primary school have 20 students to the nearest 10.
\n" ); document.write( "There are 7 classes in the primary school.
\n" ); document.write( "Work out the greatest possible number of students that attend the school.
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Algebra.Com's Answer #820832 by ikleyn(52788)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The greatest possible number of this kind is   7*24 = 168.\r
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\n" ); document.write( "\n" ); document.write( "Taking into account the rules of rounding,  the solution and the reasons are  OBVIOUS.\r
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