If in a $270 mln portfolio of stock, twice as much is invested in stock A as is invested in all the other stocks, how much is invested in all the other stocks? Choose the correct choice from the following answers.
A) 90mln  B) 80mln  C) 70mln  D) 60mln  E) 50mln
Let x denote the amount invested in all the other stocks. Then the amount invested in stock A is 2x. As we have the $270 mln portfolio, x+2x=3x=270 mln from where x=90 mln.   90mlnnswer: 90mln
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If in a $270 mln portfolio of stock, twice as much is invested in stock A as is invested in all the other stocks, how much is invested in all the other stocks?