document.write( "Question 959360: 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 times 16 feet \n" ); document.write( "
Algebra.Com's Answer #586405 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 times 16 feet \n" ); document.write( "--- \n" ); document.write( "time and area are directly related, so use a proportion \n" ); document.write( "----- \n" ); document.write( "time/area = time/area \n" ); document.write( "t/(15*16) = (3/4)/(144) \n" ); document.write( "----- \n" ); document.write( "t = (15*16)(3/4)*(1/144) \n" ); document.write( "time = (15*12)*(1/144) = 15/12 = 5/4 hrs = 1hr 15 min \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |