document.write( "Question 1116490: If the average ( arithmetic mean ) of a and –5 is 10, then a = \r
\n" ); document.write( "\n" ); document.write( " 25
\n" ); document.write( " 15
\n" ); document.write( " 5
\n" ); document.write( " -5
\n" ); document.write( " -15
\n" ); document.write( "

Algebra.Com's Answer #731443 by greenestamps(13216)\"\" \"About 
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\n" ); document.write( "The average of two numbers is halfway between the two numbers.

\n" ); document.write( "The given number, -5, is 15 less than the given average, 10; the other number has to be 15 more than the average.

\n" ); document.write( "The other number is 10+15 = 25.
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