document.write( "Question 1090329: M is the midpoint of segment AB, and N is the midpoint of segment MB. If BN=4, then what is AB?
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Algebra.Com's Answer #704760 by ikleyn(52786)\"\" \"About 
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\n" ); document.write( "Then the length of AB is 4 times the length of BN, i.e. 16 units.\r
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