document.write( "Question 1070098: How to find the sum of even numbers from 2 to 80? \n" ); document.write( "
Algebra.Com's Answer #685187 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
2 times sum from 1 to 40.\r
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\n" ); document.write( "\n" ); document.write( "\"2%281%2B40%29%2840%2F2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2%2A%281%2B40%29%2A40%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"41%2A40\"\r
\n" ); document.write( "\n" ); document.write( "\"1640\"
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