document.write( "Question 1207697: If 3 people can paint 2 rooms in 4 days, how many people are needed to paint 12 rooms in 6 days?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #845711 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Another approach, which I personally find easiest and fastest.... \n" ); document.write( "Given: 3 people can paint 2 rooms in 4 days \n" ); document.write( "New data: 12 rooms instead of 2 \n" ); document.write( "That's 6 times as many rooms; 6 times as many people are needed: 3*6 = 18 people \n" ); document.write( "New data: 6 days instead of 4 \n" ); document.write( "That's 3/2 as many days; 2/3 as many people are needed: 18*(2/3) = 12 \n" ); document.write( "ANSWER: 12 people can paint 12 rooms in 6 days \n" ); document.write( "Short solution, without all the words: \n" ); document.write( "3*6*(2/3)=12 \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |