document.write( "Question 796769: 50% of ?=18 \n" ); document.write( "
Algebra.Com's Answer #481555 by luke94(89)\"\" \"About 
You can put this solution on YOUR website!
hi there, presume ? is a number with variable 'n' and convert 50% to decimal, 50/100 = 0.5...\r
\n" ); document.write( "\n" ); document.write( "then:\r
\n" ); document.write( "\n" ); document.write( "0.5n = 18
\n" ); document.write( "n = 18/0.5
\n" ); document.write( "therefore n = 36\r
\n" ); document.write( "\n" ); document.write( "so your number is 36
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