document.write( "Question 40587: A worm is at the bottom of a 12 ft. wall. Every day it crawls up 3 ft., but at night it slips down 2 ft. How many days does it take the worm to get to the top of the wall? How do I solve this? \n" ); document.write( "
Algebra.Com's Answer #26154 by rajagopalan(174)![]() ![]() You can put this solution on YOUR website! Height for climbing 12 \n" ); document.write( "Daily climbing rate = 3 \n" ); document.write( "daily sipping rate = 2 \n" ); document.write( "Net height climbed per day = 1 \n" ); document.write( "Like this, on day 9 it will on the 9 foot marking \n" ); document.write( "on day 10 it will reach the top ( 9 + 3) = 12 \n" ); document.write( "At the top it need not slip !! \n" ); document.write( "Bravo.. \n" ); document.write( " |