document.write( "Question 570803: 20% of 30 professional r mathematician how many mathematician it should hire so the ratio vll become 10/11 \n" ); document.write( "
Algebra.Com's Answer #367928 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 20% of 30 professional r mathematician how many mathematician it should hire so the ratio will become 10/11 \n" ); document.write( ": \n" ); document.write( "Let m = no. of math guys required to accomplish this \n" ); document.write( "That means there were .2(30) = 6 math guys to start with \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "11(m+6) = 10(m+30) \n" ); document.write( "11m + 66 = 10m + 300 \n" ); document.write( "11m - 10m = 300-66 \n" ); document.write( "m = 234 math guys needed \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check: \n" ); document.write( " |