document.write( "Question 1149350: Fares has 50 red, green, and blue balls. He has six more red balls than blue balls and four fewer green balls than blue balls. Write and solve an equation to determine how many blue balls Fares has \n" ); document.write( "

Algebra.Com's Answer #770699 by ikleyn(52873) $\"\"$ $\"About$

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document.write( "Let B be the number of blue balls;\r\n" );
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document.write( "then the number of red balls is (B+6), and the number of green balls is (B-4).\r\n" );
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document.write( "The total is 50, i.e.\r\n" );
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document.write( "    B + (B+6) + (B-4) = 50.\r\n" );
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document.write( "Simplify and solve for B\r\n" );
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document.write( "    3B +2 = 50\r\n" );
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document.write( "    3B = 50 - 2 = 48\r\n" );
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document.write( "     B          = 48/3 = 16.\r\n" );
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document.write( "ANSWER.  There are 16 blue balls.\r\n" );
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