document.write( "Question 1171348: An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $6100 and his stock in Company B was worth $6480. The stock in Company A has decreased 2% since last year and the stock in Company B has decreased 10%. What was the total percentage decrease in the investor's stock account? Round your answer to the nearest tenth (if necessary). \n" ); document.write( "
Algebra.Com's Answer #796306 by Theo(13342)\"\" \"About 
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investment in stock A = 6100
\n" ); document.write( "investment in stock B = 6480
\n" ); document.write( "investment A stock went down 2% meaning it is now worth .98 * what it was worth last year.
\n" ); document.write( "investment B stock went down 10% meaning it is now worth .90 * what it was worth last year.
\n" ); document.write( "investment in stock A and B are now worth...
\n" ); document.write( "6100 * .98 = 5978
\n" ); document.write( "6480 * .90 = 5832
\n" ); document.write( "the total investment in both stock A and B is now worth...
\n" ); document.write( "5978 + 5832 = 11810
\n" ); document.write( "the total investment in both stock A and B last year was worth...
\n" ); document.write( "6100 + 6480 = 12580
\n" ); document.write( "divide this year's total by last year's total to get:
\n" ); document.write( "11810 / 12580 = .9387917329
\n" ); document.write( "multiply by 100 to get 93.87917329%
\n" ); document.write( "round to 1 decimal place to get 93.9%.
\n" ); document.write( "the overall investment is worth 93.9% of what it was last year.
\n" ); document.write( "that's a drop of 100% - 93.9% = 6.1%.
\n" ); document.write( "that should be your answer.\r
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