document.write( "Question 915460: a new business on the first day he open his business made $520.00 on the fifth day he is $840.00 if his business countin at this same rate what will bring in on the tenth day \n" ); document.write( "
Algebra.Com's Answer #555609 by ewatrrr(24785)\"\" \"About 
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a5 = 520 + 4d = 840, d = (840-520)/4 = $80
\n" ); document.write( "d = $80
\n" ); document.write( "a10 = 520 + 9($80) = $1240
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