document.write( "Question 976990: Jane can paint a 12-foot by 12-foot wall in 3/4 of an hour. How long will it take her to paint another wall that is 15 X 16 feet? \n" ); document.write( "
Algebra.Com's Answer #598488 by stanbon(75887) ![]() You can put this solution on YOUR website! Jane can paint a 12-foot by 12-foot wall in 3/4 of an hour. How long will it take her to paint another wall that is 15 X 16 feet? \n" ); document.write( "------ \n" ); document.write( "Use a proportion:: \n" ); document.write( "time/area = time/area \n" ); document.write( "------ \n" ); document.write( "t/(15*16) = (3/4)/144 \n" ); document.write( "----------------------------- \n" ); document.write( "t = (3/4)(15*16)/144 \n" ); document.write( "-------- \n" ); document.write( "t = (3*15*4)/144 \n" ); document.write( "-------- \n" ); document.write( "t = 15/12 = 5/4 = 1hr 15min \n" ); document.write( "----------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |