document.write( "Question 1143598: A trapezoid has a base length in the ratio of 2:6. If the area of the of the trapezoid is 260 and the altitude is 5, then what is the length of the longer base?
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Algebra.Com's Answer #764459 by ikleyn(52777)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "The bases are 2x and 6x, where \"x\" is their common measure, according to the condition.\r\n" );
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document.write( "The area of the trapezoid is  A = \"%281%2F2%29%2A%282x+%2B+6x%29%2A5\" square units.\r\n" );
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document.write( "The equation to find \"x\" is THIS :\r\n" );
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document.write( "    \"%281%2F2%29%2A%282x+%2B+6x%29%2A5\" = 260.\r\n" );
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document.write( "Solve it for x:\r\n" );
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document.write( "    8x = \"%28260%2A2%29%2F5\" = 104.\r\n" );
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document.write( "     x = \"104%2F8\" = 13 units.\r\n" );
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document.write( "ANSWER.  The longer base is 6*13 = 78 units long.\r\n" );
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