document.write( "Question 3221: sally can paint the house in 4 hours and john can paint it in 6 hours. how long will it take the two of them to paint the house together? \n" ); document.write( "
Algebra.Com's Answer #1395 by mixerimaythyme(7)![]() ![]() ![]() You can put this solution on YOUR website! simpliy, you are finding the average of the two when they both paint a house... \n" ); document.write( "in order to find the average, you add 4 hrs with 6 hrs (which gives you 10 hrs), \n" ); document.write( "then divide by how many numbers you added, (which in this case is 2)... \n" ); document.write( "10/2=5 \n" ); document.write( "Both of them painting a house together only takes about 5 hours according to the problem you had given me... \n" ); document.write( " |