document.write( "Question 989730: bHelp needed with missing number:
\n" ); document.write( "Select the missing number
\n" ); document.write( "9, 21, 35, ?, 69\r
\n" ); document.write( "\n" ); document.write( "Solution:
\n" ); document.write( "a)50
\n" ); document.write( "b)51
\n" ); document.write( "c)60
\n" ); document.write( "d)61
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Algebra.Com's Answer #609976 by farohw(175)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "The pattern is add 12, 14, 16, 18 to each number.\r
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\n" ); document.write( "\n" ); document.write( "Thus, 9 + 12 = 21 and 21 + 14 = 35 and 35 + 16 = 51 and 51 + 18 = 69.\r
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\n" ); document.write( "\n" ); document.write( "So your answer is b) 51\r
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