document.write( "Question 353730: While on a safari in Africa I saw a small herd of zebras and cranes wandering over the grassland. I counted 18 heads in all and counted 60 legs. How many zebras were there and how many cranes. \n" ); document.write( "
Algebra.Com's Answer #252867 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "We can set up 2 equations. Let c represent cranes and z will be zebras. \n" ); document.write( "c+z=18 \n" ); document.write( "2c+4z=60 \n" ); document.write( "Multiply the first by -2 to get: \n" ); document.write( "-2c-2z=-36 \n" ); document.write( "Add this to the second equation to get: \n" ); document.write( "2z=24 \n" ); document.write( "Divide by 2 to get: \n" ); document.write( "z=12 \n" ); document.write( "There we go. 12 zebras and 6 cranes. \n" ); document.write( "Make sense? \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |