document.write( "Question 1024558: Mr.sparrow was terrified when he opened his door and saw 88 legs scurrying across the floor. he quickly counted and noticed that there were a total of 12 spiders and cockroaches. how many spider and cockroaches were there. \n" ); document.write( "
Algebra.Com's Answer #639952 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call the number of spiders and cockroaches, s and c. Then we write \n" ); document.write( "8s + 6c = 88 \n" ); document.write( "s + c = 12 \n" ); document.write( "Now multiply the bottom one by 8 and subtract it...we get \n" ); document.write( "8s + 6c = 88 \n" ); document.write( "-(8s + 8c = 96) \n" ); document.write( "---------------- \n" ); document.write( "-2c = -8 \n" ); document.write( "c = 4 cockroaches \n" ); document.write( "s = 8 spiders \n" ); document.write( " |