document.write( "Question 1013857: Sum of ages of pupils is x.10 years later x+400.find number of pupils. \n" ); document.write( "
Algebra.Com's Answer #630144 by ikleyn(52788)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Each contributes 10 to 400.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The number is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |