document.write( "Question 827893: working separately, 4 students can do 80 math problems in one hour. at this rate, how many math problems can 8 students do in 3 hours? \n" ); document.write( "
Algebra.Com's Answer #501036 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 4*1=4 \n" ); document.write( "4 man hours for 80 problems \n" ); document.write( "20 problems per man hour \n" ); document.write( "3*8=24 man hours \n" ); document.write( "24*20=480 problems\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |