document.write( "Question 983561: 1.There are 230 third and fourth grade students in a certain elementary school. If there are 30 more third graders than fourth graders,how many third graders are in the school? thank you \n" ); document.write( "
Algebra.Com's Answer #604343 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
x, thirdgraders
\n" ); document.write( "y, fourthgraders
\n" ); document.write( "\"system%28x%2By=230%2Cx-y=30%29\"\r
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\n" ); document.write( "\n" ); document.write( "Elimination Method will be the easiest to use.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2By%29%2B%28x-y%29=230%2B30\"------what happens?\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2By%29-%28x-y%29=230-30\"-------what happens?
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