document.write( "Question 298713: François is playing on a ladder. He starts out on the middle step. He then goes up 5 steps, down 10, up another 7 and up 9 more steps to the top. How many steps are there on the ladder?
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Algebra.Com's Answer #214787 by richwmiller(17219)\"\" \"About 
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m=(x+1)/2, m+5-10+7+9=x
\n" ); document.write( "x=23 steps
\n" ); document.write( "m=12th step
\n" ); document.write( "23 steps
\n" ); document.write( "23-9=14
\n" ); document.write( "14-7=7
\n" ); document.write( "7+10=17
\n" ); document.write( "17-5=12 middle step
\n" ); document.write( "23 steps in all
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