document.write( "Question 1020840: Mary collected donations from 5 people. Four of the people donated $5, $8, $10 and $12. How much did the fifth person donate if the average donation was $9. \n" ); document.write( "
Algebra.Com's Answer #636747 by Cromlix(4381)\"\" \"About 
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Hi there,
\n" ); document.write( "If the average donation of 5 people
\n" ); document.write( "is $9
\n" ); document.write( "Then the total collected was
\n" ); document.write( "$9 x 5 = $45
\n" ); document.write( "Adding up the donations for
\n" ); document.write( "the first 4 people = $35
\n" ); document.write( "$45 - $35 = $10
\n" ); document.write( "Fifth person put in $10
\n" ); document.write( "Hope this helps :-)
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