document.write( "Question 868943: Two bricklayers, Sam and Joe, are working on your house. Sam can complete the work in 5 hours, while Joe can complete the work in 3 hours. How many hours does the bricklaying take if they work together? \n" ); document.write( "
Algebra.Com's Answer #523921 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 1/5+1/3=1/x \n" ); document.write( "(3+5)/3*5=1/x \n" ); document.write( "8/15=1/x \n" ); document.write( "8x=15 \n" ); document.write( "x=15/8 \n" ); document.write( "x=1.875 hours ans. \n" ); document.write( " |