document.write( "Question 671129: what number is missing from this pattern 3,8,18,? 53,78 \n" ); document.write( "
Algebra.Com's Answer #419845 by lion2(2)\"\" \"About 
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3
\n" ); document.write( "8=3+5
\n" ); document.write( "18=8+10
\n" ); document.write( "x=18+15
\n" ); document.write( "53=x+20
\n" ); document.write( "78=53+25 ,from these x=33 therefor the missing number ir 33
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